Depets Large Cat Door (Outer Size 9.9" X 9.2"), 4 Way Locking Cat Flap Door For Interior Exterior Doors, Weatherproof Pet Door For Circumference < 23"

Depets Medium Cat Flap Door With 4 Way Lock (Outer Size 7.5" X 7.8"), Magnetic Pet Door Kit White, Weather-Resistant Cat Door For Cats & Doggy

Cat Mate 4-Way Locking Cat Flap With Door Liner, White

CEESC Extra Large Cat Door (Outer Size 11"X9.8"), Weatherproof, White, ABS Material, 4-Way Locking Flap For Cats & Dogs Up To 25.54 Lbs

Cat Mate 4-Way Locking Cat Flap With Door Liner, Brown

Cat Mate Lockable Cat Flap, White

Cat Flap Door 4 Way Locking Weatherproof Pet Doors For Interior Exterior Sliding Door Doggie Door Insert

Ideal Pet Products Aluminum Sash Window Pet Door, Large, White, Cat Flap, 6.25" X 6.25" Flap Size, (27SWDCK)