Other Products: HHE/RAR
AirVent family →Return air has to climb, and the riser is how it does: fabricated duct sections connecting ceiling voids and floor grilles across levels, back to the AHU or exhaust plant. Built to drawing in GI with insulated options, flanged and sealed for shaft installation floor by floor.
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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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