Max-Fan™PRO SERIES Even more Efficient and Stronger than the original Max-Fan™design, the Max-Fan™PRO SERIES has a much more Robust housing due to the fiberglass Reinforced plastic compounds that meet all of the UL and CSA requirements.
Medium speed 291 CFM 52 watts Medium High Speed 379 CFM 60 watts High Speed 420 CFM 69 watts CFM 420 at 0wg RPM 3320 Max Watts 69 Amps .62@ 120 V Max AmbientTemp 50C / 122F Diameter 9 1/4" Length 12 1/8" Blade Design Mixed Flow Housing plastic Weight 6lbs