Cat Flap Tunnel Extender White - Sureflap

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The Cat Flap Tunnel Extender can be used with the SureFlap Microchip Cat Flap or the SureFlap DualScan Microchip Cat Flap when installing either product in a wall.

The existing tunnel length on the cat flaps is 7cm.

Each tunnel extender adds 5cm to the overall length of the tunnel.

Tunnel extenders can be stacked together to create a tunnel of any length.

The Cat Flap Tunnel Extender is compatible with the SureFlap Microchip Cat Flap and DualScan Microchip Cat Flap.

It can be used for wall installations.

Hole cut dimensions: 16.5cm (W) x 17.1cm (H).

Flap opening dimensions: 14.2cm (W) x 12cm (H).

Approximate Dimensions (Product): 17 x 16 x 6cm

We are delighted to offer you free delivery on all orders over £50.00.

Items are packed on the day you place your order. Your package should arrive within Two to Six working days.

Once your order has been dispatched you will receive a tracking number and you will be able to track your order.

All orders must be signed for (delivery driver can sign for you at present due to Covid-19).

Our courier partners will keep you updated on the journey of your order. You'll receive SMS and email confirmation of your tracking details and they will let you know estimated delivery times on the morning of your delivery.

Our delivery partners aim to deliver all orders on time, but delays do happen from time-to-time. 

Have a query regarding your delivery?

If you have any queries regarding your delivery please email us at

If we cannot deliver your order within the specified time period then we will make every attempt to contact you and provide an expected delivery time. If this delivery time is not suitable, you can cancel your order and we will provide you with a full refund.


Please see our Return Policy For More details. 


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