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Sure Petcare SureFlap Tunnel Extender Pack of 3 for Cat Flaps, White

£22.00 (as of 23/10/2026 21:03 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.)

The Sure Petcare SureFlap Tunnel Extender Pack of 3 is a white wall installation accessory for compatible SureFlap cat flaps. It adds 50 mm to the 70 mm tunnel and can be stacked when a longer run is needed. Check your exact cat flap model and the pack quantity before choosing.

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Quick Summary

The Sure Petcare SureFlap Tunnel Extender Pack of 3 is a wall installation accessory for compatible SureFlap cat flaps. It is designed to extend the tunnel length and can be stacked when more depth is needed.

The pack is white and is made for use with the SureFlap Microchip Cat Flap, SureFlap DualScan Microchip Cat Flap and SureFlap Microchip Cat Flap Connect.

Key Details

DetailVerified information and buyer relevance
BrandSure Petcare – the accessory is part of the SureFlap range.
Product typeTunnel extender for a cat flap installation.
Pack quantityPack of 3, so the quantity matters when planning a wall installation.
ColourWhite, which matters if you want the accessory to match the fitted cat flap area.
CompatibilityWorks with SureFlap Microchip Cat Flap, SureFlap DualScan Microchip Cat Flap and SureFlap Microchip Cat Flap Connect.
ExtensionAdds 50 mm to the 70 mm tunnel of the cat flap.

What to Compare Before Buying

  • Compatible model: Check that your cat flap is one of the listed SureFlap models before choosing this extender.
  • Tunnel length: The extender adds 50 mm to the 70 mm tunnel, and multiple extenders can be stacked if a longer run is needed.
  • Pack quantity: This is a pack of 3, so compare the quantity with the tunnel length you need to achieve.
  • Installation space: Wall installation projects depend on the depth and layout of the opening, so confirm the finished tunnel length you are aiming for.

Before You Decide

Confirm the exact SureFlap cat flap model before choosing this accessory. Check the tunnel length you need, and make sure a pack of 3 is enough for the wall installation you are planning.

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