# Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows

Fits: Petoasis cat door for window is a vertical insert for horizontal sliding windows measuring 40–44 inches high. Its aluminum frame, magnetic flap and four access settings are intended to let cats pass while controlling entry and exit.

- [Original product page](https://best-deals.pro/product/petoasis-vertical-cat-door-window-40-44-inch)
- [View offer](https://best-deals.pro/visit/petoasis-vertical-cat-door-window-40-44-inch)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Petoasis
- Model: cat door for window
- Category: Pet Supplies > Pet Toys & Accessories
- Price: 152.99 USD
- Previous price: 169.99 USD
- Discount: 10%
- Price checked: 2026-11-13T05:32:58.816Z
- Rating: 4.4 / 5
- Reviews: 806

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Designed for horizontal sliding windows within the listed 40–44-inch height range.
- Listing describes spring-compression installation without drilling, with a three-minute setup claim.
- Magnetic flap and stated weather-stripping and seal components are intended to limit drafts.
- Four locking modes allow the opening to be left open, closed, or set for one-way pet passage.

## Pros

- Four access modes provide more control than an unrestricted flap.
- Aluminum frame and a magnetic-closing flap are specified for this window-mounted design.
- The listing describes a no-drill installation approach that may suit renters, subject to fit and installation conditions.

## Cons

- The specified flap opening is 7.8 inches wide by 10.6 inches high, which may not suit every cat or pet.

## Specifications

### Identity
- Brand: Petoasis
- Model: cat door for window
### Fit and dimensions
- Compatible window height: M: Fits 40"- 44" Height
- Flap size: 7.8"W×10.6"H
- Maximum compatible thickness: 0.9 inches
### Construction and operation
- Frame material: Aluminum
- Color: White
- Closure type: Magnetic
- Pet type: Cat
- Locking modes: 4 adjustable locking modes: fully open, fully closed, pet exit only, pet entry only

## Before you buy

- Measure the sliding-window height and flap clearance before buying. Customer feedback reports both effective sealing and strong magnets that some find make the flap hard to open, so consider your cat's ability to push through it.

## A good fit for

- Cat owners with a horizontal sliding window measuring 40–44 inches high who want controlled indoor-outdoor access.
- Renters seeking a window insert described as installable without drilling.

## Less suited to

- Buyers whose window height falls outside the listed 40–44-inch range.
- Pets that cannot comfortably pass through the stated 7.8-by-10.6-inch flap opening.

## Customer feedback

Customer feedback describes sturdy construction, an unobtrusive appearance and ease of use, including reports that cats learned the flap quickly. Sealing and magnetic strength receive mixed comments: some describe a tight seal and effective magnets, while others say the flap is difficult to push open. For a window insert whose closure depends on magnets, that difference matters if a cat is hesitant or small. Aggregate ratings lean positive overall, but they do not establish how the door will fit a particular window or how easily an individual pet will use it.
- Positive themes: Customers report sturdy construction and an appearance that blends with the window.
- Positive themes: Some customers describe the door as easy to use, with cats learning to use it quickly.
- Mixed feedback: Feedback differs on sealing performance and magnetic strength. Some find the flap seals well, while others say the magnets make it hard to open.

## Frequently asked questions

### What window size does this cat door fit?
The listing specifies horizontal sliding windows with a height of 40–44 inches. Measure the window before purchase.
### How large is the flap opening?
The stated flap dimensions are 7.8 inches wide by 10.6 inches high. Check that your cat can pass through comfortably.
### What locking options are available?
The listing names four settings: fully open, fully closed, pet exit only and pet entry only.
### Does installation require drilling?
The listing claims a spring-compression installation without drilling and describes a three-minute setup. Actual fit depends on the window.

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## Images

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 1](https://best-deals.pro/i/RPJbwlAN9OY0CFFn1HRvLvgNUPPtNRYopfIBQC7Smv_xcKjPViQXjntJdMumZFCLg9wYclNU6CDMyRRkEZDrZ9U-097ib8l6C0V3lVVjx0g-1l5GvFeRCKTC.jpg)

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 2](https://best-deals.pro/i/nfcr4lqopjHHbq5sgz6BqMNPSKe5dRMyBUw52Ml2ys5WGshMX1J2X-MAPHRZUc-6PgEDqhJYLZqthb8oiBUa_R7vYZhiavAru0rQE__D07x_wl96qSTVNbsG.jpg)

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 3](https://best-deals.pro/i/yd0IDCJ5_pCK9Pzm0Oatbh-lkrc0BnVPK81RsW8mwGc5WVmfUPn-6DdYj2QDXVl_eJKYEyClyqzTLkaXWxtYzWYb2cUzZcbI6wrLrTjFfEMkCHvrccg2XTjl.jpg)

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 4](https://best-deals.pro/i/dCdc6Nfvn9cFJNHFf9KvkvexRArmnHcsDJXVU9sHlSJd6d7SQ8895WzxT4hOLt-9-sKPXnW5ukrb5ltBLoSlGoPAL7fy-LWxmM15blIWXX0eOdy5ITvKnpsN.jpg)

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 5](https://best-deals.pro/i/pdm-NGNSQsfcHuSG1oqcNvBFkNMK6JW4iAjlDZUVpcFZSXmzV0a6F7xgPyfehQcDA5giuM3tcIrNXoJSmJYSw2ysnpe9nL0qqwy9_CVDQ7DCVmzTy4y-CulU.jpg)

![Petoasis Vertical Cat Door for Window, Fits 40–44 in Windows — 6](https://best-deals.pro/i/wTKX6wSeHuinmwvduBd2wvbKhQGIARfNejkEZH94TRaEh-grWoyLTfy_HcUJTAFzybgRyH9gLSZ6kIL8SHENB9VF2ZgJM0Oa-O7-jmiylqqrU0kPldt9qMC5.jpg)