PetSafe Freedom Pet Door Premium Dare Products This cast-iron fireplace damper is

This cast-iron fireplace damper is 42″ in size

Foaming action provides a brilliant streak-free shine

10X faster than flat wood spade bits

The roller pin mechanism provides maximum protection against attacks

Flow-coated inside and out with red corrosion-resistant paint

PetSafe Freedom Pet Door Premium Dare Products This cast-iron fireplace damper isThis solid aluminum frame installs easily and the soft, transparent single flap provides a tight weather seal. The Freedom Aluminum door includes a locking panel that gives you the power to control when your pets can use the door. Easy do it yourself installation. Great for pets up to 200 lbs (100 kg). Replacement flap: PAC11 11040. Features: Closing panel included Thickness of wall: 3 8" to 2" Outer frame dimensions: 16. 25" x 27. 125" Flap opening