Modular Series with choices of internal or external (sold separately) blower systems. Internal features 650 Max Blower CFM with ultra-quiet 0.8 Sones operation at normal setting,
Choice of 13 different blowers to suit your installation (sold separately). Internal iQ6, iQ12. P3, P6 and P12 blowers -or external blower options for the ultimate in performance choices and quiet operation.,
Infinite speed control gives you the convenience of automatically remembering last setting.