Whispergreen Select Pick-A-Flow 110/130 or 150 CFM Bathroom Exhaust Fan Flex-Z F
The WhisperGreen Single Speed fan operates quietly at an “always on” low speed to maintain fresh air. The only residential vent fan series with a combination of certified CFM performance at 0.5 w.g. and low sone levels, the WhisperGreen’s superior performance exceeds industry standards set by ASHRAE and ENERGY STAR.