Feature

●Simple push 3 inch thick R-4 insulated insert into any standard 14 inch roof vent and save energy
●Prevents heat loss during cold nights
●Increases air conditioner efficiency during hot days
●Pull strap for easy removal and inserts easily into vent
●Great for summer or winter, keeps light out


Description

Simply push the 3 inches thick R-4 insulated insert into any standard 14 inches roof vent and save energy. Prevents heat loss during cold nights. Increases air conditioner efficiency during hot days. Features pull strap for easy removal. Inserts easily into vent. Great for summer or winter. Keeps light out.