MOLYLY Dog Door Replacement Flaps, 2-Pack
Product description
The flexible, weather-resistant flap is designed to move for a pet and settle back against the opening, while a magnetic strip along the bottom helps keep outdoor air and weather out. This two-pack is intended as a replacement for an existing pet door, not as a complete door system.
It’s marketed as a medium flap, but matching the opening and screw pattern matters more than the label.

How it fits


MOLYLY lists these flaps as compatible with the PetSafe Freedom PAC11-11038. The described fit uses four screw holes, so count the holes on your current flap and compare their layout before ordering. The product name gives dimensions of 12 7/8" x 8 1/8", while the description gives 8 1/4" x 12 1/4". Those measurements don’t match, so measure the flap you’re replacing and confirm the dimensions with the seller before relying on either pair.

For a straightforward swap, remove the old flap and attach the replacement with the included screws and a screwdriver. Picture a worn flap that no longer hangs properly: this is aimed at replacing that moving panel while leaving the existing pet-door frame in place. Would you rather replace only the flap than change the whole door? That’s the more targeted approach this product supports, provided the hole pattern and size line up.
It’s a great fit if you want two replacement flaps for a compatible door and your current panel has the specified four-hole arrangement. It may not suit you if your door uses a different hole pattern or you can’t confirm which of the conflicting listed sizes applies.



Pros
The pack includes two flaps and screws, giving you a spare or a second replacement. The flexible material is described as weather-resistant, and the magnetic strip at the bottom is intended to help the flap close against the door. The listing also says the material is designed not to roll up in high temperatures or harden and break in cold conditions. That could matter for a door exposed to changing weather, though the fit still depends on your existing frame.

Spec sheet


- Type: Dog and cat door replacement flaps
- Compatibility listed: PetSafe Freedom PAC11-11038
- Pack: Two flaps with screws
- Screw holes: Four, according to the fit details
- Dimensions: The listing shows two different pairs: 12 7/8" x 8 1/8" and 8 1/4" x 12 1/4"
- Temperature range stated: -31°F to 140°F

The temperature range and resistance claims are on the spec sheet, they don’t resolve the dimension mismatch or confirm fit for a door with a different mounting pattern.
Final verdict

This replacement set makes sense when your existing door matches the PAC11-11038-style, four-hole layout and you want to change the flap without replacing the full assembly. The flexible panel, bottom magnet, and included screws address the practical parts of that job. The main drawback is the inconsistent sizing information: measure your current flap and verify the correct dimensions before choosing. If those details can’t be confirmed, a replacement sold with clearly matching measurements is the safer route.
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