 | PetSafe MPA11-12020 Wall Entry Kit Smartdoor Large 
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It consists of a two-piece molded frame with a protective outer lip.
Features:
- 28.17" x 20.53" x 3.69"
- Frame is impact and UV-resistant with telescoping option
- Fits walls 4.75"-7.25" thick
Includes:
- Outside frame and tunnel
- 20 wood screws and 12 washers
- Cut-out template
- Installation instructions
