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Dual-Two Piece Replacement Flap by Johnson - Petsafe is what you need for your Dog Door-Click here

This is a single Replacement Flap and fits all PetSafe, Johnson or US Pet Products pet doors using the single flap.

Measurement is for complete replacement flap including mounting area

MODEL#	FLAP WIDTH	FLAP LENGTH
4-0110-11	(SMALL)	5 3/8 x 8
4-0111-11	(MEDIUM)	8 1/2 x 12
4-0112-11	(MEDIUM/TALL)	8 x 15
4-0113-11	(LARGE)	10 1/2 x 15 7/8
A04026-4-11	(EX-LARGE)	14 x 23 3/4

Petsafe Pet Door Flap Installation Video

Click Here to Purchase Classic Pet Door Replacement Flap