The Broan Elite (Rangemaster) internal blowers provide the high ventilation and durable construction to meet the needs of professional-style cooking appliances for the home. The P8 is designed for use with the Broan Elite RMIP series. 850 CFM, 10.5 Sone (vertical discharge) or 900 CFM, 10.0 Sone (horizontal discharge) performance - HVI Certified. Rough-in kits are included to make the installation clean and simple. All our blowers are designed for quiet operation using the finest motors and balance wheels.