White aluminum window cat door panel with clear flap and glass side panes

Cat Door for Window – Adjustable 23-28 in Sash Window Insert

$169.99
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White aluminum window cat door panel with clear flap and glass side panes

Cat Door for Window – Adjustable 23-28 in Sash Window Insert

$169.99
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Ships from our US warehouse. Usually 2–8 business days to US addresses. Free over $50.

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  • No drilling – sits in the sash window track
  • Adjusts from 23 to 28 in wide
  • 4-way lock: in, out, both ways or locked
  • Magnetic flap with brush seal closes quietly

A no-drill cat door for sash windows. The white aluminum panel stretches from 23 to 28 in to fit the window track, the sash closes down on top, and a magnetic flap with a 4-way lock lets your cat in, out, both ways or not at all.

Why you'll love it

  • No drilling – sits in the sash window track
  • Adjusts from 23 to 28 in wide
  • 4-way lock: in, out, both ways or locked
  • Magnetic flap with brush seal closes quietly

Details

  • Size: 28 x 15.3 x 1.6 in (71.1 x 38.8 x 4 cm) at full width; adjusts 23-28 in (58.4-71.1 cm)
  • Flap opening: 7.6 x 10.3 in (19.2 x 26.2 cm)
  • Fits: sash (up-and-down) windows with a track 23-28 in long and more than 1.6 in (4 cm) wide
  • Material: aluminum alloy frame, glass side panels, clear flap
  • Lock: 4 modes – in only, out only, two-way, locked
  • Weight: 6.8 lb (3.1 kg)
  • Includes: pet door panel, 2 door seals, EVA strip, user manual
  • Color: white

Measure your window track and your cat before ordering: the cat must fit a 7.6 x 10.3 in opening, and the sash closes down onto the panel.

Shipping: Ships from our US warehouse to US addresses. Usually delivered in 2–8 business days.

Shipping

Free shipping on orders over $50. The delivery time for this item is shown above: usually 7–15 business days, or 2–8 business days when it ships from our US warehouse. We ship to the US, UK, Canada, Australia and New Zealand, except items marked US only. We email you a tracking link as soon as it ships.

Returns

30-day returns on unused items in their original packaging. Contact us first and we will guide you through it.

Questions?

Our team replies within one business day. Visit our FAQ or contact page.

  • Free shipping over $50
  • 30-day returns
  • Secure checkout
  • Real people on email
  • Designed around how cats climb and rest
  • Kind to local wildlife
  • Free shipping over $50
  • 30-day returns
  • Secure checkout
  • Real people on email
  • Designed around how cats climb and rest
  • Kind to local wildlife
Tabby cat on a windowsill beside a cat door installed in a sash window

Why you’ll love it

Freedom for them, fewer interruptions for you

A no-drill cat door for sash windows. The white aluminum panel stretches from 23 to 28 in to fit the window track, the sash closes down on top, and a magnetic flap with a 4-way lock lets your cat in, out, both ways or not at all.

  • Come and goYour cat chooses when to head out and come home.
  • You stay in controlLock settings for nights, vet days or bad weather.
  • Keeps the weather outThe flap closes neatly behind them.

Thoughtful details

Simple to fit, simple to use

Hand turning the 4-way lock dial below the clear magnetic cat flap

Easy in and out

A light flap your cat soon learns to push through.

Locking options

Choose when your cat can come and go.

Closes neatly

Magnetic closures help the flap shut behind your cat.

Fits at home

Fixing screws included. Check your door type and thickness before ordering.

At a glance

$50+orders ship free
2–8business days from our US warehouse
30 daysto change your mind
1 dayfor a reply from a real person

Size and specs

Measure once, order with confidence

Measure your cat and your door before you choose a size.

Size
28 x 15.3 x 1.6 in (71.1 x 38.8 x 4 cm) at full width; adjusts 23-28 in (58.4-71.1 cm)
Flap opening
7.6 x 10.3 in (19.2 x 26.2 cm)
Fits
sash (up-and-down) windows with a track 23-28 in long and more than 1.6 in (4 cm) wide
Material
aluminum alloy frame, glass side panels, clear flap
Lock
4 modes – in only, out only, two-way, locked
Weight
6.8 lb (3.1 kg)
Includes
pet door panel, 2 door seals, EVA strip, user manual
Color
white
Good to know
Measure your window track and your cat before ordering: the cat must fit a 7.6 x 10.3 in opening, and the sash closes down onto the panel.
Shipping
US orders ship from our US warehouse, usually in 2–8 business days. Free on orders over $50.
Returns
30 days, unused and in the original packaging
Hands holding the 28 in window cat door panel beside a cat for scale

Fitting it

From box to first flap

  1. 1

    Measure your cat

    Measure across your cat’s shoulders to pick the right size.

  2. 2

    Mark and cut

    Mark the opening on the door or screen and cut it out.

  3. 3

    Fit the frame

    Fix the inner and outer frames together with the screws provided.

  4. 4

    Teach the flap

    Prop the flap open at first and use treats until your cat goes through on their own.

Compare

Why a cat door?

Feature Cat doorDoor left openLetting them in yourself
Your cat comes and goes freely
Keeps out draughts and bugs
Lock it when you want
No more 3 a.m. door duty

FAQ

Cat door questions

Everything people ask before they order.

Not sure it’s right?Tell us about your cat and your space. Real people reply within one business day.
What size should I choose?

Measure the widest part of your cat, usually the shoulders, and choose a flap opening at least 2 cm (1 in) wider. If you’re between sizes, go up.

Can I fit it in a glass door?

These flaps are made for wooden or uPVC doors, walls or insect screens, depending on the model. For glass, ask a glazier.

Will other cats get in?

Locking settings let you close the flap when you need to. For full control, choose the microchip smart flap, which only opens for registered cats.

How do I teach my cat to use it?

Prop the flap open and reward your cat with treats for going through. Lower it a little each day. Most cats learn within a week.

Where do you ship it?

US orders ship from our US warehouse and usually arrive in 2–8 business days. Shipping is free on orders over $50, and we email a tracking link as soon as it ships.

What if it isn’t right?

You have 30 days from delivery to return it unused in its original packaging. Contact us first and we’ll help. See our refund policy.

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