Flexible Rubber Flap Opens and Closes Quietly.
This Replacement Flap is easy to install and features a tough flexible rubber flap and U-frame with permanent magnets. It fits on SD300 deluxe pet doors.
Flap Size: 4-3/4 x 7-1/8 in (120.7 x 187 mm).
Minimum Order: 1 Package.
One flap and U-frame with installation screws per package.