LL BUILDING PRODUCTS 12" ROTARY TURBINE - GALVANIZEDWind-driven attic turbine that uses natural airflow to pull heat and moisture out of the attic. The 12" throat fits standard turbine bases and ships pre-assembled with the integrated base. Galvanized steel construction resists rust and weathering for long service life on residential roofs.
- 12" throat diameter - fits standard turbine bases
- Galvanized steel finish
- Stainless dual bearing system for smooth, quiet rotation
- Double-ribbed vanes with convex top direct wind-driven rain away from the unit
- Rotor: 18" diameter x 16" height, 720 CFM rated air movement
- Integrated base adjusts from 1/12 through 6/12 roof pitch
- Meets requirements of the Texas Department of Insurance
- LL Building Products part GIC12BL
Tip: Pair with intake vents (soffit or gable) for balanced attic ventilation - rotary turbines pull air out, so they need a corresponding intake path to work efficiently.