The total width of the Glass Patio Pet Door varies by model size. Below are the key dimensions for each size—both the frame width (overall unit) and the flap opening width (usable pet-access passage).
| Pet Door Size | Flap Opening Width | Total Frame Width |
|---|---|---|
| Small | 172 mm | 265 mm |
| Medium | 227 mm | 315 mm |
| Large | 287 mm | 375 mm |
Flap Opening Width: This is the clear space your pet passes through.
Total Frame Width: This is the overall width of the installed unit (from outer edge of frame to outer edge).
Pet Doors - General - How Do I Measure My Pet For A Pet Door?
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