Galvanized steel concave double-inlet blower wheel commonly referred to as a 10 x 9. Actually measurements are 10-5/8" diameter x 9-1/2" width. 1/2" center bore. Counterclockwise rotation when viewing from the shaft end of the motor. Picture may not be of actual wheel.
Replaces Lau DD10-9A, L01331704, Mars 41328 & Revcor 10209.