Air Vent 81214 Attic Aluminum Louver with Screen, 12" x 18", White HELLOFALL10 Quiet operation

Quiet operation

Angled dial with bold graphics improves reading accuracy and ease of use

Clean up: Hands and tools can be cleaned at once with plain water

Propane tank

Dual rack and pinion fence ensure blade and fence are always parallel for accurate joints every time

Air Vent 81214 Attic Aluminum Louver with Screen, 12" x 18", White HELLOFALL10 Quiet operationWall louvers are installed in the gable end of the attic. The higher they are placed, the more effective they become as exhaust vents. Wall louvers are not preferred for ventilating an attic, because they provide limited airflow under the roof deck, resulting in "hot spots." It can be used where ridge vents are impractical, or where the homeowner doesn't want roof vents. Color: White 59. 4 sqin net free area Riveted construction Improves air flow