Special Features:

119 x 38 mm -- polarity protected -- permanently lubricated ball bearing -- sound- absorbing thermoplastic frame and impeller rated v-0 -- colored coded leads -- 4.69 inch + or - 0.02 square -- 1.50 inch + or - 0.02 thick -- has 8 bolt holes 0.177 inch centered at 4.125 + or - 0.01

Properties:

A nonpositive displacement mechanical device without guide vanes and having an axial fan impeller inclosed within a tubular housing. It is designed primarily for duct installation to move air or gas axially over a wide range of volumes at medium pressures.