Easily installed behind outlet or wall plate coversFoam gaskets are designed to save you money from the cost of heat loss through outlet and switch by providing an insulated thermal barrierExcellent thermal barrier prevents heat loss and reduces drafts through outlets and switchesFoam is rated NO 94HF1
Minerallac® Cully™ 80014 Wallplate Insulating Gasket, For Use With Standard and Decora Style Toggle/Duplex Receptacle