Master Flow Green Machine High-Power Solar - Dual Powered Roof Vent 900 CFM Product Thickness 11.81" LST 25 x 54 and

LST 25 x 54 and LST 27 x 31 features an anti-slip step and modern design

They are designed to fit between standard 16-inch and 24-inch on-center joists or studs in attic and wall applications

Height - 18"

allowing you to take control of your ideal humidity levels with an adjustable humidistat and self regulating comfort option

Master Flow Green Machine High-Power Solar - Dual Powered Roof Vent 900 CFM Product Thickness 11.81" LST 25 x 54 andThe Master Flow Solar Electric Roof Mount Exhaust Fan cools your home with an energy efficient motor. It features an adjustable thermostat, a low profile design and dual power technology, so it can run on solar or house power. Browse Other GAF Solar Powered Roof Vents Master Flow Green Machine High Power Solar Dual Powered Roof Vent 900 CFM The Master Flow Solar Electric Roof Mount Exhaust Fan cools your home with an energy efficient motor. It