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Cat Door for Windows and Sliding Doors with 4-Way Lock, Medium

£9.99 (as of 23/10/2026 21:02 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Medium cat door for windows, pet doors and sliding doors with a 4-way lock and ABS plastic construction. It is described for cats and small dogs, with a stated outer size of 7.76 x 7.5 x 0.78 in and fit for 2 cm thick panels. Check the opening size and installation surface before choosing an offer.

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Quick Summary

This medium cat door is made for windows, pet doors and sliding doors, with a 4-way lock system and an outer size of 7.76 x 7.5 x 0.78 in. It is described as a weatherproof cat flap for thin door and wall installations, and the lock lets you choose between free in and out, fully locked, out only or in only.

The flap is intended for cats and small dogs, and the product description also notes use with thin panels. If you are comparing offers, check the exact opening space, the thickness of the panel and whether the selected offer includes the fitting items you need.

Key Details

DetailVerified information and buyer relevance
Product typeCat door / cat flap for windows, pet doors and sliding doors.
SizeMedium size with outer size of 7.76 x 7.5 x 0.78 in. This helps you compare it against the space available for fitting.
Lock system4-way lock with free in and out, fully locked, out only and in only modes.
Intended usersDesigned for cats and small dogs.
Installation notePanels are stated as 2 cm thick, with installation described for windows, wooden doors and sliding glass doors.
MaterialABS plastic.

What to Compare Before Buying

  • Opening size: Check the stated outer size against the space you have for fitting.
  • Panel thickness: The stated fit is for 2 cm thick panels, so compare that with your window, door or wall.
  • Lock mode: Decide whether you need free access, a locked setting, or one-way access in or out.
  • Pet size: The flap is described for cats and small dogs, so compare your pet’s size with the intended use.
  • Included parts: Check the exact fitting items with the selected offer before starting installation.

Compatibility, Size and Fit

This cat flap is described for windows, wooden doors and sliding glass doors, and it is also presented as suitable for thin door and wall use. The stated panel thickness is 2 cm, so the best fit depends on whether your installation surface matches that measurement.

The flap opening is listed as 17 x 16 cm, with an outer size of 19.7 x 19 cm in the description and 7.76 x 7.5 x 0.78 in in the title. Compare both measurements carefully before choosing a version, as the listed sizes are presented in different formats.

What Is Included

  • Cat door / cat flap unit
  • Instructions with templates
  • 8 screws and caps
  • Double-sided tapes

Safe Use and Important Precautions

The lock system lets you control access, so check the setting before use to avoid leaving the flap in the wrong mode for your home. Follow the fitting instructions supplied with the product, and make sure the chosen installation surface matches the stated thickness and fitting method.

Before You Decide

Confirm the outer size, flap opening and panel thickness before choosing an offer. Check whether your window, wooden door or sliding glass door matches the stated fit, and make sure the 4-way lock mode suits the way you want the flap to work. If you need a different size, compare the medium version carefully with your pet and installation space.

Brand

Lessmon

Manufacturer

Lessmon

Binding

Unknown Binding

Product Group

Home

Part Number

Lessmon-Screen Cat Door

Model

Medium

Color

White

Product Dimensions

0.79 x 7.48 x 7.76 inches

Size

M

Number Of Items

1

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