Frost King SB36 Heavy Duty Door Sweep

Thresholds by Frost King. Details:This Heavy-Duty door sweep is made of Heavy-Duty aluminum and nylon brush and can be used commercially or in residential applications. It is 36 in. x 2 in. and can seal gaps up to 5/8 in. this door sweep keeps warm air in and cold air out. It is installed only on the interior side of the door.