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SureFlap pet door tunnel extenders can be used to create a longer approach tunnel to the SureFlap Microchip Pet Door when it is installed in a wall. Each tunnel extender adds 5cm to the length of the tunnel, stack them to your desired tunnel length to get you through any wall.
All prices include VAT where applicable. *The freephone number is free from most UK landlines only, mobiles are usually charged so we'd recommend calling our landline from your mobile or internationally.
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