JennAir - 3-1/4" x 10" Make-Up Air Kit for Range Hood - Gray

Reduce the effects of negative air pressure with this JennAir make-up air kit. As your kitchen ventilation system removes air from your kitchen, it gradually loses efficiency because there's less air within the kitchen. This JennAir make-up air kit brings more air in to equalize the air pressure to improve the efficiency of your range hood.