S&P exhaust fans provide efficient ventilation for any bathroom setting. The Centrifugal Bathroom Fan is part of the PV series and features a backward curved centrifugal-type impeller, permanently sealed, self-lubricating ball bearings and a remote mounting, pre-wired wiring box. Suitable for high-moisture areas, these bathroom fans are made from high-grade pressed galvanized steel, with a Black baked enamel coating. The TD Series Bathroom Exhaust Fans are designed for high air flow to pressure ratio applications and require minimum space. These bathroom exhaust fans feature class B motor insulation with direct two-speed connection and variable speed settings. This TD series fan has a removable body that makes it easy to install. Both the Centrifugal Fans and Inline Fans carry a limited warranty.