Hermetic filter drier, DML, 08 cu.in., Steel Cu-plated (023Z4572)

The QEI-UPBLAST is a belt drive mixed flow fan in a roof upblast configuration for exhausting contaminants away from a building to prevent re-entrainment of exhaust air. Standard construction includes a fully-welded heavy-gauge curb cap, a butterfly damper section and a windband.