The Rangemaster interior blowers provide the high ventilation and durable construction to meet the needs of professional-style cooking appliances for the home. All blowers are designed for quiet operation using the finest motors and balance wheels. Rouch-in kits are included to make the installation clean and simple. The P5 and P8 are designed for use with the Rangemaster 64000 series. 500 CFM Blower for interior mounting for 64000 Series and RMIP insert. 3 1/4" x 10" duct size at discharge. 120V/ 60Hz.