See also: 07 7220 - Roof and Ridge Vents (for more residential applications)

Active Ventilation Products
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The Aura Ventilator exhausts air like a turbine, with the benefit of no moving parts. It is non-electric, constructed from aluminum and maintenance free. It produces a continuous exhaust to alleviate condensation and heat buildup in roofs and attics. Sizes are available from 4 to 48 in diameter.

Marley Engineered Products ![]()
Marley Engineered Products broad line of heavy duty residential and commercial wall and duct exhaust fans and roof ventilators provide exhaust ventilation rates up to 53,000 cfm.
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Active Ventilation Products
![]()
The Aura Ventilator exhausts air like a turbine, with the benefit of no moving parts. It is non-electric, constructed from aluminum and maintenance free. It produces a continuous exhaust to alleviate condensation and heat buildup in roofs and attics. Sizes are available from 4 to 48 in diameter.

Marley Engineered Products ![]()
Marley Engineered Products broad line of heavy duty residential and commercial wall and duct exhaust fans and roof ventilators provide exhaust ventilation rates up to 53,000 cfm.