Tangential Blower 12.9" - Part # HB-RB64    
Standard Duty, 65mm Tangential Fans. Motor is on the right side of the blower.

This model fits
CFM - FA20, FK24 (fan only), RHE32,
Lennox 18L46
Majestic HE30, HE32
Travis (Gas)

Specifications:

Watts	Amps	Volts	RPM	Rot.	CFM	Body	Wheel	Bearing
50	0.86	115	1/1200	CW	130	12.9” x 4.3” x 3.6”	65 x 240mm (2.6 x 9.4”)	Ball

A= 10.72"
B= 13.05"
C= 9.45"
D= 8.43"