Cat Mate 4 / Compatible Cat Flap Tunnel Extensions
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Tunnel extension for Cat Mate 4 catflap (and all similar flaps), modular, stackable, customizable depth.
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Updated at source:
Model information
- Source
- Printables
- Category
- Pets
- License
- Creative Commons — Attribution — Noncommercial
Each tunnel extension module increases the depth of your cat flap installation and securely clicks onto both the flap housing and other tunnel sections.
Available extension depths: 2 cm, 2.5 cm, 3 cm, 3.5 cm, 4 cm, 4.5 cm, and 5 cm.
You can also combine multiple sections to reach your required wall or door thickness.
🧩 Important:
The cat flap frame and tunnel sections overlap by ~7 mm.
When measuring, determine the missing depth for your installation and subtract 7 mm from the total to get the net extension length you need.