Lush Food & Drink
Buying Guide

Best Under Sink Organizers for a Rental Cabinet

The deciding specification is how far each unit resizes after it arrives, from a frame fixed at one height to five settings to a frame that expands from 17 to 25 inches.

By the Lush Editorial Team·Researched & Compared

  • Researched & ComparedSpecs pulled from the manufacturer listing
  • Like-for-LikeSame measures across every model
  • No Paid PlacementsNobody pays to appear here

I compared every published adjustment range, how many positions each maker names, what adjusts, the published figures for width, length and height, the weight fields and what each unit needs to stay put, across five under sink organizers, using only each maker's own listing text.

Our Shortlist

Same Numbers. A Clearer Choice.
Best for an unknown cabinet height
Kitstorack Under Sink Organizer

Kitstorack Under Sink Organizer

Five height settings, stated in the maker's own bullet as 11.8 inches wide by 15.9 inches deep by 13.8 to 16.9 inches high. PXRACK publishes a range that is almost identical, 13.6 to 16.9 inches, so the two are separated by a fifth of an inch at the bottom and nothing at the top. Thicker, heavier stainless steel on a 1-inch reinforced frame, stated to hold up to 50 lbs, held down by four large suction cups and two nano adhesive films. The listing's height field reads 16.9 in, the top of the range rather than the range.

  • 2 Pack
  • 8 lb
Check Price
Best for routing around a waste pipe
PXRACK Under Sink Organizer

PXRACK Under Sink Organizer

A C-shaped bracket rather than an L, so the frame steps around the plumbing instead of shrinking the top basket. Five levels, stated from 13.6 to 16.9 inches, and the maker separately states that the space under the bottom of the top basket can hold up to 13 inches, which is the only bottle clearance figure among these five. The basket is given as 11.8 inches wide by 15.9 inches long. Nothing in the listing gives an assembled overall size, and the weight field, 8.93 lb, covers two units.

  • Large-2-Pack
  • 8.93 lb
Check Price
Best for a shallow gap above the trap
Sevenblue 2-Pack 2-Tier Height Adjustable Under Sink...

Sevenblue 2-Pack 2-Tier Height Adjustable Under Sink...

The only unit here whose adjustment starts low: three levels from 11 to 13 inches, a two inch range, against a 13.6 inch floor on the two five-setting frames. An L-shaped layout with a narrow top and a wide base, premium carbon steel with a baked finish, stated to support up to 50 lbs. The dimension fields are empty because the listing is a two pack, and the only three figures published, 9.5 by 13.6 by 13.0 inches, are the carton. Nothing in the listing says what holds the frame down.

  • Large
  • 6.08 lb
Check Price
Best when the cabinet is wider than it is tall
FlagShip 2 Tier Under Sink Organizers and Storage Ra...

FlagShip 2 Tier Under Sink Organizers and Storage Ra...

The one frame here that changes in the horizontal direction: the maker states it expands from 17 to 25 inches, with four large wire panels and four small ones whose positions move to clear the drain pipe. Four holes give the height adjustment. It is also the only listing that says tools are needed, and the only one where the fixing is a screw and a wire the maker says is fixed on the pipe. Stated to hold above 22LB, which is the lowest load figure published among these five.

  • Under Sink Organizer
  • 6.61 lb
Check Price
Best for splitting one purchase across rooms
Delamu 2 Sets of 3-Tier Bathroom Under Sink Organize...

Delamu 2 Sets of 3-Tier Bathroom Under Sink Organize...

Delamu adjusts by rebuilding rather than by sliding: high, low and middle rod positions give either 8.27 by 13.19 by 14.96 inches or 8.27 by 13.19 by 14.56 inches, and the two three-tier sets restack as two plus two plus two, giving three independent two-tier units, or as one plus two plus three. Clear acrylic drawers with movable dividers, non-slip rubber feet, snap together with no tools. At 2.99 lb for two sets it publishes the lightest weight figure of these five.

  • 2 Pack 3-Tier
  • 2.99 lb
Check Price

Side by Side Comparison

ModelBrandSize (Capacity)WeightBest For
Kitstorack Under Sink Organizer Kitstorack 2 Pack 8 lb Best for an unknown cabinet height
PXRACK Under Sink Organizer PXRACK Large-2-Pack 8.93 lb Best for routing around a waste pipe
Sevenblue 2-Pack 2-Tier Height Adjustable Under Sink... Sevenblue Large 6.08 lb Best for a shallow gap above the trap
FlagShip 2 Tier Under Sink Organizers and Storage Ra... FlagShip Under Sink Organizer 6.61 lb Best when the cabinet is wider than it is tall
Delamu 2 Sets of 3-Tier Bathroom Under Sink Organize... Delamu 2 Pack 3-Tier 2.99 lb Best for splitting one purchase across rooms

Each Pick in Detail

1 Best for an unknown cabinet height
Kitstorack Under Sink Organizer

Kitstorack Under Sink Organizer

Five height settings, stated in the maker's own bullet as 11.8 inches wide by 15.9 inches deep by 13.8 to 16.9 inches high. PXRACK publishes a range that is almost identical, 13.6 to 16.9 inches, so the two are separated by a fifth of an inch at the bottom and nothing at the top. Thicker, heavier stainless steel on a 1-inch reinforced frame, stated to hold up to 50 lbs, held down by four large suction cups and two nano adhesive films. The listing's height field reads 16.9 in, the top of the range rather than the range.

  • Five height settings with the range written out, 13.8 to 16.9 inches
  • Gives all three assembled figures in the maker's own bullet
  • Stated to hold up to 50 lbs on a 1-inch reinforced frame
  • The height field reads 16.9 in, which is only the top setting
  • Says nothing about whether any tool is needed to assemble it
Check Price
2 Best for routing around a waste pipe
PXRACK Under Sink Organizer

PXRACK Under Sink Organizer

A C-shaped bracket rather than an L, so the frame steps around the plumbing instead of shrinking the top basket. Five levels, stated from 13.6 to 16.9 inches, and the maker separately states that the space under the bottom of the top basket can hold up to 13 inches, which is the only bottle clearance figure among these five. The basket is given as 11.8 inches wide by 15.9 inches long. Nothing in the listing gives an assembled overall size, and the weight field, 8.93 lb, covers two units.

  • Five adjustment levels, stated as 13.6 to 16.9 inches
  • The only bottle clearance figure here, stated at up to 13 inches
  • A C-shaped bracket that steps around plumbing rather than narrowing the top
  • Publishes no assembled width, length or height in any field or bullet
  • The only three figures in the fields are 5.0, 5.0 and 5.0, an unpopulated placeholder
Check Price
3 Best for a shallow gap above the trap
Sevenblue 2-Pack 2-Tier Height Adjustable Under Sink...

Sevenblue 2-Pack 2-Tier Height Adjustable Under Sink...

The only unit here whose adjustment starts low: three levels from 11 to 13 inches, a two inch range, against a 13.6 inch floor on the two five-setting frames. An L-shaped layout with a narrow top and a wide base, premium carbon steel with a baked finish, stated to support up to 50 lbs. The dimension fields are empty because the listing is a two pack, and the only three figures published, 9.5 by 13.6 by 13.0 inches, are the carton. Nothing in the listing says what holds the frame down.

  • Adjusts from 11 inches, lower than any other starting figure here
  • Three stated levels between 11 and 13 inches
  • Carbon steel with a baked finish, stated to support up to 50 lbs
  • A two inch adjustment range against three inches on both five-setting frames
  • Dimension fields are empty and the 9.5 by 13.6 by 13.0 inch figures are the carton
Check Price
4 Best when the cabinet is wider than it is tall
FlagShip 2 Tier Under Sink Organizers and Storage Ra...

FlagShip 2 Tier Under Sink Organizers and Storage Ra...

The one frame here that changes in the horizontal direction: the maker states it expands from 17 to 25 inches, with four large wire panels and four small ones whose positions move to clear the drain pipe. Four holes give the height adjustment. It is also the only listing that says tools are needed, and the only one where the fixing is a screw and a wire the maker says is fixed on the pipe. Stated to hold above 22LB, which is the lowest load figure published among these five.

  • The only unit here that expands horizontally, stated 17 to 25 inches
  • Panel positions move to clear the drain pipe, four large and four small
  • Four holes for height adjustment and a handle on top for moving it
  • The only listing that states screws and tools are needed, and the tool is not included
  • One bullet says four screws and another says eight
Check Price
5 Best for splitting one purchase across rooms
Delamu 2 Sets of 3-Tier Bathroom Under Sink Organize...

Delamu 2 Sets of 3-Tier Bathroom Under Sink Organize...

Delamu adjusts by rebuilding rather than by sliding: high, low and middle rod positions give either 8.27 by 13.19 by 14.96 inches or 8.27 by 13.19 by 14.56 inches, and the two three-tier sets restack as two plus two plus two, giving three independent two-tier units, or as one plus two plus three. Clear acrylic drawers with movable dividers, non-slip rubber feet, snap together with no tools. At 2.99 lb for two sets it publishes the lightest weight figure of these five.

  • Two published build heights, 14.96 or 14.56 inches, from rod position alone
  • Restacks as two plus two plus two or one plus two plus three
  • Snap together with no tools, on non-slip rubber feet
  • The height difference between its two configurations is under half an inch
  • Three tiers and no stated load rating, per tier or total
Check Price

Our Verdict

Kitstorack names five height settings covering 13.8 to 16.9 inches. PXRACK names five levels covering 13.6 to 16.9 inches but publishes no assembled size at all. Sevenblue adjusts across three levels, 11 to 13 inches. FlagShip is the only one that expands sideways, 17 to 25 inches, and the only one that arrives with screws. Delamu adjusts by moving rods and restacking, 14.96 or 14.56 inches high, and publishes the lightest weight field here at 2.99 lb.

“You choose the organizer. You inherit the cupboard.”

Lush Food & Drink
Good Food
Brighter Days

What Separates These Five

Three ways to resize, not one Kitstorack and PXRACK raise the top basket on settings. FlagShip widens the whole frame. Delamu moves rods and restacks. Only one of those three changes the floor area the unit needs.
The two ranges that overlap almost exactly Kitstorack states 13.8 to 16.9 inches and PXRACK states 13.6 to 16.9 inches, both across five positions. They are the same adjustment to within a fifth of an inch.
Sevenblue is the only one that starts low Its range runs 11 to 13 inches. Both five-setting frames start at 13.6 inches or above, so neither can be made to fit a gap the Sevenblue clears.
One listing shows the parts and one shows nothing FlagShip itemizes eight panels, two rack pipes, four expandable pipes and eight screws. PXRACK publishes no assembled size at all, only 5.0 by 5.0 by 5.0 inches in fields that were never filled in.
Adjustable does not mean tool free FlagShip is the only one of the five that says it needs screws and a tool, and it says the tool is not in the box. Delamu is the only one that says no tools at all.

How We Chose

Adjustment range published
Number of positions named
All three assembled figures given
Anti-slip or fixing named
Tool requirement stated
Load rating published

Frequently Asked Questions

Which of these five adjusts the most?+

Kitstorack and PXRACK are effectively tied in the vertical direction. Kitstorack states five height settings from 13.8 to 16.9 inches and PXRACK states five levels from 13.6 to 16.9 inches, a difference of a fifth of an inch at the bottom. FlagShip moves further in total, from 17 to 25 inches, but it moves across the frame rather than up it, so the two cannot be compared as one number. Sevenblue covers 11 to 13 inches.

Does any of these need to be screwed into the cabinet?+

FlagShip is the only listing that mentions screws and tools. Its bullet says the unit needs to be fixed up through screws with tools, and that the tool is not included. What the listing never says is what the screws go into. One bullet also describes a wire that is fixed on the pipe rather than removable. The other four name suction cups, nano film or rubber feet and no hardware at all.

Why does PXRACK have no size in the table?+

Because the listing never publishes one. Its dimension fields all read 5.0 inches, which is an unpopulated placeholder rather than a measurement, and its bullets give only the basket, 11.8 inches wide by 15.9 inches long, plus a 13.6 to 16.9 inch adjustment range. No bullet gives the assembled frame. We left those 5.0 figures out of the comparison rather than treating them as a published size.

Is Sevenblue a smaller unit than the two five-setting frames?+

Its adjustment starts lower, at 11 inches against 13.6 and 13.8 inches, so it reaches a gap neither of the others can. Whether the unit itself takes less room is unknown: Sevenblue publishes no assembled dimensions at all. The only three figures in the listing, 9.5 by 13.6 by 13.0 inches, describe the box the two units ship in, and a carton is not a frame.

What is the point of Delamu's stacking if the height barely changes?+

The height is not what it adjusts. Its two builds differ by less than half an inch, 14.96 against 14.56 inches. What changes is how many separate units you end up with: the two three-tier sets restack as two plus two plus two, which gives three independent two-tier organizers, or as one plus two plus three. For a rented kitchen with one awkward cupboard and one spare shelf, that matters more than the half inch.

Which figures here did we decide not to trust?+

Three. PXRACK's 5.0 by 5.0 by 5.0 inch fields, because three identical figures are a form left blank. Sevenblue's field dimensions, which the fact sheet empties because the listing is a two pack, leaving only the carton. And FlagShip's field figures, because the maker's own sentence gives 17 to 25 inches by 11.5 inches by 15 inches and the fields do not match it. Where they disagreed we used the maker's sentence.

Specifications come from the manufacturers' own published listings. Lush Food & Drink may earn a commission if you buy through a link on this page, at no extra cost to you. How we research.

How the Five Compare on the Numbers

Eight live pages already rank this pool. They rank it by how the frame clears the plumbing, by published width and depth, by published height, by what holds the unit still, by how many tiers slide, by how many units one purchase brings and by load rating. Every one of those questions assumes you know the space. A renter does not get to choose the space.

So the figure here is how much the unit can still change once it is yours. Four of the five publish a range and a count of positions. Kitstorack says five settings over 13.8 to 16.9 inches, PXRACK five levels over 13.6 to 16.9, Sevenblue three levels over 11 to 13. FlagShip moves the other way, 17 to 25 inches across. Delamu moves nothing much and rebuilds instead.

Specification Kitstorack PXRACK Sevenblue FlagShip Delamu
Stated adjustment range 13.8 to 16.9 in high 13.6 to 16.9 in high 11 to 13 in high 17 to 25 in across 14.96 or 14.56 in high
Positions the maker names Five settings Five levels Three levels Four holes not published
What actually adjusts Top basket height Top basket height Top basket height Frame width Rod position and stacking
Width the maker states 11.8 in 11.8 in, the basket not published 11.5 in 8.27 in
Length or depth the maker states 15.9 in 15.9 in, the basket not published 17 to 25 in 13.19 in
Height the maker states 13.8 to 16.9 in 13.6 to 16.9 in 11 to 13 in 15 in 14.96 or 14.56 in
Tiers Two Two Two Two Three
Weight field 8.0 lb, box of two 8.93 lb, box of two 6.08 lb, box of two 6.61 lb, one unit 2.99 lb, two sets
Stated load up to 50 lbs not published up to 50 lbs above 22LB not published
What holds it still Four suction cups, Two nano films Four suction cups, Two nano tapes not published Screws, and a wire fixed on the pipe Non-slip rubber feet
Tools stated not published not published not published Screws and a tool, tool not included None required
Package dimensions not published not published 9.5 x 13.6 x 13.0 in, box of two not published not published

What the table cannot tell you is whether a range is continuous or a set of stops. Kitstorack names five settings and PXRACK names five levels, so both are stepped, and a cabinet gap that falls between two steps is a gap neither reaches. Sevenblue names three levels across two inches. Delamu names no count at all, only two builds. None of the five publishes the distance between one position and the next.

What Adjusts, and What Only Looks Adjustable

Five Settings, Three Settings, and a Pair of Rod Holes

Kitstorack and PXRACK publish almost the same adjustment. Kitstorack writes 13.8 to 16.9 inches across five height settings. PXRACK writes 13.6 to 16.9 inches across five levels. That is a fifth of an inch of difference at the bottom of the range and none at the top, from two listings that otherwise describe themselves in the same language: thickened steel, suction cups, nano film, a smooth two-tier pull.

Sevenblue is doing something different with a smaller span. Three levels, 11 to 13 inches. Both five-setting frames begin at 13.6 inches or higher, which means a cupboard whose usable gap is twelve inches is a cupboard they cannot be made to fit at all. The two inch range is the narrow part of the specification, and the 11 inch starting figure is the useful part.

The One That Grows Sideways Instead of Upward

FlagShip is the only unit in this pool that changes in the horizontal direction. The maker states the frame expands from 17 to 25 inches, and supplies four large wire panels and four small ones whose positions move so the panels sit around the drain pipe instead of in front of it. Height comes from four holes rather than a named settings count.

That is a genuinely different answer to the same problem. The other four fit a cabinet by getting shorter or taller under a fixed trap. FlagShip fits one by spanning the trap and leaving the pipe between its panels. The cost is in the next section: it is also the only one of the five whose own listing says a tool is required.

What a Renter Has to Put Into the Cabinet

Suction Cups, Nano Film and Rubber Feet

Kitstorack names four large suction cups and two nano adhesive films. PXRACK names four suction cups and two nano tapes. Delamu names non-slip rubber feet and a snap-together build with no tools. Those are three descriptions of the same bargain: the unit stays where you put it through friction or a peelable film, and nothing is driven into the cabinet.

What none of the three says is what the film leaves behind. A nano adhesive pad is sold as repositionable, and no listing in this pool states whether it lifts clean off a painted or laminated cabinet floor. That is the single specification a renter would most want published, and five listings out of five are silent on it. Sevenblue names no anti-slip provision at all.

The Only Set That Comes With Screws

FlagShip states that the rack needs to be fixed up through screws with tools, that screws and step instructions are in the package, and that the installation tool is not included. It is the clearest statement about assembly in this pool and also the most awkward one to read, because the listing never says what the screws go into: its own frame, or the cabinet.

Two of its own bullets also disagree about how many there are. One says four screws and step instructions come in the package. The parts list in the last bullet says eight screws, alongside eight panels, two rack pipes and four expandable pipes. We have reported both rather than picking one, because the listing gives no way to tell which count is the current one.

Where the Published Figures Stop Being Useful

Two Listings That Will Not Give an Assembled Size

PXRACK publishes no assembled size anywhere. Its three dimension fields all read 5.0 inches, which is a blank form rather than a measurement, and its bullets give a basket at 11.8 inches wide by 15.9 inches long plus the 13.6 to 16.9 inch range. A basket is not a frame, and the frame is what has to clear the cupboard door.

Sevenblue is in the same position for a different reason. It ships as a two pack, so the listing’s dimension fields describe the carton and the fact sheet empties them. The three figures that survive, 9.5 by 13.6 by 13.0 inches, are the box. Both units publish a usable adjustment range and neither publishes the thing the range is attached to.

When the Fields and the Maker’s Own Sentence Disagree

FlagShip’s listing fields give one set of figures and its last bullet gives another: 17 to 25 inches by 11.5 inches by 15 inches. Those cannot both describe the same rack, and the bullet is the one that names an expanding span, so we used the maker’s sentence and discarded the fields. The table says 11.5 and 15 inches for that reason, not because the fields agree.

Kitstorack has a quieter version of the same problem. Its bullet gives the range, 13.8 to 16.9 inches high. Its height field gives 16.9 inches flat, which is the top setting presented as the size. A reader checking the field against a cupboard would plan for the top setting and never learn that the frame also comes down by three inches.

Which One Fits Your Kitchen

Renting with a cupboard you have not measured yet. Kitstorack, because it publishes all three assembled figures and a five-setting range in the same bullet, 11.8 by 15.9 by 13.8 to 16.9 inches. You can check it against a tape before anything is ordered.

A waste pipe in the middle of the opening. PXRACK, whose C-shaped bracket steps around the plumbing rather than narrowing the top basket, and which states up to 13 inches of clearance under the top basket for tall bottles. Accept that no assembled size is published.

A low gap under the trap. Sevenblue. Its three levels run 11 to 13 inches, and it is the only one of the five with a published figure below 13.6 inches. You will be buying an adjustment range without a published frame size to attach it to.

A wide, shallow cabinet run. FlagShip, the only frame here that expands across, 17 to 25 inches, with movable panels to sit around the pipe. Read the screw bullets first and decide whether a landlord would object.

One awkward cupboard and a spare shelf somewhere else. Delamu. Two three-tier sets restack as two plus two plus two, giving three independent two-tier units, or as one plus two plus three, and its weight field, 2.99 lb for two sets, is the lightest published on this page.

What We Could Not Verify

These are the specifications we went looking for in all five listings and did not find.

  • Whether a nano adhesive film or a suction cup lifts off a cabinet floor without marking it. No listing in this pool says.
  • What FlagShip’s screws fasten to. The bullet states screws and tools are needed and names no destination.
  • Whether FlagShip ships four screws or eight. Two of its own bullets give different counts.
  • The step between one adjustment position and the next, on any of the four units that publish a range.
  • Any assembled width, length or height for PXRACK or Sevenblue, in a field or a bullet.
  • Whether a load rating covers one tier, one unit or a set, on the three listings that publish one.