Patented delrin bearings assure long-lasting, quiet operation with no metal parts to squeak
2-piece base and fits 3/12 to 12/12 roof pitch
Large flashing allows for easy installation
Wind turbines are available in both internally and externally braced styles
Aluminum construction
Part of a balanced attic ventilation system for year-round airflow
Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates
Requires intake ventilation for proper performance
132 sq. in. of net free area airflow each
14 in. round opening

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