air supply 4128100p cyclone 3 hp 120 volt 14 amp portable pool spa air blower air supply this bypass blower is fueled with power to install vinyl liners and winterize your pool. the tough exterior is made of durable polyethylene and has been redesigned to weather the harshest abuse. features a powerful 3 horsepower, 120 volt motor and includes a versatile hose adapter. the motor cover plate can be easily removed to replace brushes or to service your motor and acts as a protective layer during outdoor use. the intake is threaded 2 inch npt while the discharge is a standard 1.5 inch hose adapter and it has a 6 foot power cord with 4 inch vacuum inlet.