About Master Flow™ GreenMachine™ High‑Power Solar Roof Vent

The low-profile Master Flow™ Green Machine™ High Power Solar Roof Vent, Solar Powered Model PRSOLAR2 uses the sun's power to help reduce damaging heat/moisture in the attic. Solar power eliminates energy costs associated with operating a purely house-powered unit. The weather-resistant design passes the 110 mph wind-driven rain test1 and is backed by a 6-year ltd.Warranty. 2 It’s also an eligible component for GAF residential enhanced warranties.


This product can be used to comply with certain FORTIFIED Roof™ requirements. Visit gaf.com/fortified and current FORTIFIED Home™ Standard available at fortifiedhome.org for details. Applicable in the U.S. only.


1 Under controlled laboratory conditions
2 See Master Flow Powered Ventilation Products Limited Warranty for complete coverage and restrictions.

Features & Benefits

Visit the Attic Ventilation Calculator for details.


Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.

Earn GAF Rewards when you buy GAF Master Flow™ ventilation products

Master Flow™ ventilation products are eligible for GAF Rewards points. Visit GAF Rewards for a complete list of qualifying products.

Eligible accessory product in the Attic Ventilation Category of GAF Residential Enhanced and WindProven™ Limited Warranties*

*15-year WindProven™ Limited Wind Warranty covers GAF Shingles with LayerLock® Technology only and requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles, and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products. For installations not eligible for the WindProven Limited Wind Warranty, see GAF Shingleand Accessory Limited Warranty, Master Flow™Ventilation Products Limited Warranty,or Master Flow™ Powered Ventilation Products Limited Warranty (depending on product) for complete coverage and restrictions.

Product Documentation