Master Flow Power Green Machine - Dual Powered Roof Vent 500/750 CFM estimateend-5 100% Polypropylene white non-woven fabric

100% Polypropylene white non-woven fabric

Low moisture sorption rate

Approximately 55 lbs per MSF

Owens Corning EcoTouch R30 Paperfaced Batts: With an R-value of 30

resulting in potential energy savings and lower energy costs

Master Flow Power Green Machine - Dual Powered Roof Vent 500/750 CFM estimateend-5 100% Polypropylene white non-woven fabricThe GAF Master Flow 15 Watt Dual Power Hybrid Solar Electric Roof Mount Exhaust Fan will help reduce excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Dual Powered unit will run on free solar power (525 CFM) when the sun is shining on the solar panel but will automatically switch to house power (750 CFM) if it is cloudy or nighttime. Hot attic air is removed by the fan as fresh air is drawn in