Air Vent TIBS0100 Air Hawk Turbine & Base, Black Eco_Friendly including most petroleum-based soils

including most petroleum-based soils

provides higher torque while reducing gear strain

Grime & mold in minutes

Zinc grade 2 hex bolts are recommended for most general uses and are corrosion resistant for typical use

Balanced and ergonomic

Air Vent TIBS0100 Air Hawk Turbine & Base, Black Eco_Friendly including most petroleum-based soilsWind Turbines are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates. Highlights: Color: Black Material: Aluminum Length: 20 inch Height: 18. 4 inch Width: 20. 2 inch Diameter: 12 inch Pitch: 3 12 to 12 12 Net Free Area: 95 sq. inch Vent Type: Wind Turbines