- Fits 9" and 10" bolt circle.
 - Belly band mount
 - Fits 5 5/8" diameter motors
 - 3-Prong Mount
 
Designed to effectively isolate and prevent torsional vibrations from reaching blower housing and causing noise. No pre-assembly, bracket clamps to motor shell. Fits 9" and 10" bolt circle.
Replaces these brand part numbers:
Fasco FM55
Century/AO Smith HFM55