Part Details | VENTILATING FAN

4140-01-381-6549 A nonpositive displacement mechanical device having either an axial or centrifugal fan impeller. It is designed to move free air or gas from indoors to outdoors or vice versa over a wide range of volumes at low pressures. It is supported by a ring, plate, or shroud or may be inclosed in a housing. It is designed for installation in a window, roof or wall opening, or the like.

Alternate Parts: NF251E, NF25-1E, 4140-01-381-6549, 01-381-6549, 4140013816549, 013816549

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