An image on a white background of a large single wall liner / tunnel section
A white, solid-coloured piece designed as a tunnel section for pet flaps, with a visible joint seam on a clear background
An image of two white, solid-coloured plastic squares which form a tunnel section / wall liner for large cat flaps on a clear background
An image of a stack of three wall liners / tunnel sections in white to facilitate the installation of a large cat flap on a clear background
An image of a stack of four wall liners / tunnel sections in white to facilitate the installation of a large cat flap on a clear background
A stack of five white coloured wall liners / tunnel sections to facilitate the installation of a large cat flap in to a wall or door on a clear background
A stack of six white coloured wall liners / tunnel sections to facilitate the installation of a large cat flap in to a wall or door on a clear background
An image of two white cat flap square doors connected by a set of tunnel liners on a clear background
A side-on view of a cat flap door connected to the rear panel by a set of white tunnel sections / wall liners on a clear background
Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)
Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)
Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)
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An image on a white background of a large single wall liner / tunnel section A white, solid-coloured piece designed as a tunnel section for pet flaps, with a visible joint seam on a clear backgroundAn image of two white, solid-coloured plastic squares which form a tunnel section / wall liner for large cat flaps on a clear background An image of a stack of three wall liners / tunnel sections in white to facilitate the installation of a large cat flap on a clear background An image of a stack of four wall liners / tunnel sections in white to facilitate the installation of a large cat flap on a clear background A stack of five white coloured wall liners / tunnel sections to facilitate the installation of a large cat flap in to a wall or door on a clear background A stack of six white coloured wall liners / tunnel sections to facilitate the installation of a large cat flap in to a wall or door on a clear background An image of two white cat flap square doors connected by a set of tunnel liners on a clear background A side-on view of a cat flap door connected to the rear panel by a set of white tunnel sections / wall liners on a clear background Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps) Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps) Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)

Cat Mate Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)

Price:
£9.99
  • Use our cat flap wall liner to extend your cat flap as much as you need
  • Compatible with 221 and 357 Cat Mate cat flaps
  • Easy to install and paintable
  • Can be cut down to your desired length
Pack size: Single
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Description

Any number of these paintable 50mm / 5cm / 2" cat flap wall liners may be added to the following products to enable easy wall installation for the following products:

Compatible Cat Flaps:

Each cat flap wall liner is 50mm / 5cm / 2" long, so if you need a 20cm tunnel, you'd need four.

These pet door accessories can be cut down. For instance, if you need a 22cm tunnel, you can buy five and cut one down by 3cm.

We advise that you add a thin bead of sealant between each liner to create a moisture-resistant tunnel and wrap around the outside of the joint with duct tape. This will mean that the tunnel stays solid and is much easier to handle.

Key Features

  • Easy wall installation
  • Moisture-resistant construction
  • Stackable for thicker walls
  • Professional finish
White rectangular block with a textured surface on a white background
Cat Mate / Closer Pets - Large Pet Flap Wall Liner / Tunnel Section (Part CP400W - For 221, 357 Flaps)

What's Included

1 x 50mm tunnel liner section

Customer Reviews

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A
Andy Burrell
CP400W Large Pet Flap Wall Liner (CP 400W)

Great product that does exactly what it's intended for and at a reasonable cost.

FAQs

Which cat flaps is this compatible with?

The CP400W wall liner is compatible with Cat Mate models 221 (Large Cat Flap), 357 (Large Glass Fitting Cat Flap).

How many do I need for my wall thickness?

Each liner section is 50mm (2") long. Simply divide your wall thickness by 50mm to calculate how many you need. For example, a 200mm (8") wall needs 4 liners, while a 300mm (12") wall needs 6 liners. You can also cut liners to size - for a 220mm wall, buy 5 and trim one by 30mm.

Can I paint it?

Yes! The wall liner is made from white plastic that can be painted to match your interior or exterior décor. This allows you to create a seamless, professional finish that blends with your walls.

How do I install it?

Stack the required number of liner sections to match your wall thickness. For best results, apply a thin bead of sealant between each section to create a moisture-resistant seal, then wrap duct tape around the outside joints to hold them together during installation. This creates a solid tunnel that's easier to handle and provides a professional, weatherproof finish.

Instructions Booklet

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