Other Products: HHE/GGL
AirVent family →The gravity louver is the passive gate of exhaust systems: counterweighted GI blades lift when air flows and fall shut the moment it stops, keeping rain, birds and back-draft out of the duct. No motor, no spring, no service: the economical weather cap for wall and roof exhausts.
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More from Other Products
Drainable-blade fresh air louvers that let a building breathe while keeping monsoon rain, birds and insects out.
Z-profile blade louvers: deeper chevron blades for heavier weather protection at exposed intakes and facades.
Slim fixed-bar louvers for doors and partitions: letting air move between rooms without opening a door or cutting a ceiling.
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