Quick Summary
The PetSafe 700 Series Extension Tunnel is a small, white extension tunnel for the Original 2-Way Pet Door. It is made for use where a door or wall is too deep for the pet door alone, and it attaches to the existing setup.
The stated depth is 50 mm, and only one extension tunnel can be added per door.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | PetSafe |
| Product type | Extension tunnel for a pet door |
| Series | 700 Series |
| Depth | 50 mm depth, which matters when checking whether the opening is too deep for the pet door alone. |
| Compatibility | Compatible with the Original 2-Way Pet Door |
| Colour | White |
| Size | Small |
| Limit | Only one extension tunnel can be added per door. |
What to Compare Before Buying
- Compatibility: This tunnel is for the Original 2-Way Pet Door. Check the exact pet door model before choosing an offer.
- Depth: The tunnel is stated as 50 mm deep. Compare that with the thickness of the door or wall opening you need to bridge.
- Quantity needed: Only one extension tunnel can be added per door, so confirm that a single tunnel is enough for your opening.
- Size: This is the small version, so make sure the selected size matches the pet door setup you already have.
What Else You May Need
You need the compatible Original 2-Way Pet Door for this tunnel to be useful.
Before You Decide
Check that your pet door is the Original 2-Way Pet Door, confirm the small size and 50 mm depth, and make sure one extension tunnel is enough for the opening.










