Air Vent 18 in. H X 17.8 in. W X 7.3 in. L X 15 in. D Steel Gable Mount Power

MOUNTS INSIDE GABLE WALL: Installs on the interior attic gable; draws cooler outside air through soffit or ridge vents while expelling hot air, maintaining balanced attic temperatures year-round. EXHAUSTS HOT ATTIC AIR: Air Vent 53315 gable mount power fan moves 1,050 CFM to pull super-heated air out of attics up to 1,500 sq ft, lowering cooling loads and extending shingle life.