Has the pet's coming and going finally worn out that Petsafe Easy Fit pet door? A great replacement flap for Petsafe's QuickFit Pet Door, this unit lets the pets in and keeps the cold out. The flap also works with Petsafe's Ratchet Door, Bargain Hound Door, Easy Fit, or Quick n' Easy Doors. A soft, smoked vinyl construction ensures good looks and optimal energy efficiency. Designed for small pets weighing up to 12 pounds, the flap measures 4-1/4 by 7 inches.