By installing axial fans from Delta T Systems, owners can ventilate an engine room with a steady supply of air. The Delta T axial fans mount in the vent system that connects the engine room to outside air. It provides high airflow rates and low sound pressure levels. Manufactured for marine environments, it has a lightweight, flanged housing, as well as patented hubs and airfoil blades. The fans range in size from nine in. models that move 490 cu. ft. of air per minute to 36 in. units that move more than 45,000 cu. ft. per minute. The fan motors are available for single- or three-phase AC power at 50 to 60 Hx, and for 12- or 24- volt DC power.