Petoasis Low-Profile Window Cat Door, 24–28 in, Aluminum

The Petoasis low-profile window cat door is an adjustable insert for vertical sliding sash windows measuring 24–28 inches wide. Its aluminum frame, four-way lock and magnetic flap suit buyers seeking controllable cat access without drilling, provided the window and track fit the listed dimensions.

At a glance

Made for vertical sliding sash windows, with a listed fit range of 24–28 inches.
The listing claims tool-free installation without drilling and describes it as a quick setup.
Four lock modes are intended to control the cat’s access.
Magnetic flap closure and included weatherstripping are described, with extra foam and vinyl seals also claimed.

Price

$68.39Save 10%

Reference price: ~~$75.99~~

Price checked: Nov 12, 2026

View offer

Often bought together

Cat Door for Window, Quick Damage-Free Install, 24"-28" Width Adjustable, All Aluminum Frame, 4-Way Lock, Magnetic Closure Ca

Pros and cons

Pros

The stated window-width range and flap dimensions help buyers assess fit before purchase.
Four-way locking provides options for managing access without removing the door.
The aluminum frame and transparent tempered-glass panel are intended to maintain a sturdy frame while allowing natural light through.

Cons

The flap opening is 7.7 by 8.6 inches, so it may not suit cats that need a larger passage.

Technical specifications

11 specifications

Identity
Brand	Petoasis
Model	low-profile window cat door

Fit and dimensions
Compatible sash-window width	S: Fits 24"-28" Width
Flap size	7.7"W ✖ 8.6"H
Door frame height	12.9"
Door frame thickness	0.9"
Maximum compatible thickness	2.4 inches

Materials and operation
Material listed	Aluminum
Color	White Cat Door
Closure type	Magnetic
Lock modes	Four lock modes

What to know before buying

Customer feedback is mixed on magnetic strength and sealing. Some report effective closure, while others say the flap is hard to push open or the magnets are too strong. Consider this if your cat is hesitant or small.

Listing details to confirm

Measure both the sash-window width and track width before buying. The listing describes this as an insert for vertical sliding sash windows and gives a 24–28-inch fit range. Its thickness field is labeled “Mattress Thickness” in the product details, while a separate field calls 2.4 inches the maximum compatible thickness, so confirm what that measurement applies to.

Who is it for?

A good fit for

Cat owners with a vertical sliding sash window within the listed 24–28-inch width range.
Buyers who want adjustable access controls and a window insert the listing describes as installable without tools or drilling.

Less suited to

Homes with window types or dimensions outside the stated fit range.
Buyers whose cats need a larger opening than the listed 7.7-by-8.6-inch flap.

Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 806 ratings

5 stars71%71%
4 stars14%14%
3 stars9%9%
2 stars2%2%
1 star4%4%

Customer feedback highlights sturdy construction, appearance and ease of use, with reports that cats learned to use the door quickly. Sealing and magnetic strength draw mixed reactions: some customers say the flap closes and seals well, while others find it difficult to push open. That difference matters because the magnetic closure is central to the door’s operation. Overall ratings lean positive, but they do not establish how well it will fit a particular window or suit an individual cat.

Positive themes

Customers describe the construction as sturdy and the appearance as unobtrusive.
Feedback describes the door as easy to use, with some reports that cats learned it quickly.

Mixed feedback

Customers disagree about how well the seals work and whether the magnets provide suitable resistance.
Some customers report that the flap is hard to open, which may matter for smaller or hesitant cats.