Frost King UDB77 Door Sweep, 36 in L, 1-3/4 in W

Stop the draft. Keep warm air out in summer. Keep cold air out in winter. And keep your home comfortable throughout the year. The sweep and fins keep out drafts, dust, water and insects. This slide on door sweep/stop goes on under door to prevent energy loss and save you money on your utility bills. It's a cinch to install. Simply slide it on.