The easiest and fastest way to seal a 3" x 7" commercial steelframe doorway
Magnetic strips quickly attach door panel to the steel doorframe
Pockets along the door panel keep magnetic strips secure
Self-closing
Quick & easy to set up
Flame retardant door panel features a clear plastic window and 10″×12.5″ clear pocket
Self-closing magnets are sewn-in
Can be used with positive or negative air
Reusable, durable, and easily handles high traffic