Features: Features a powerful 80 CFM blower specifically designed for continuous use application Mounts directly to joists via mounting brackets which makes for an intuitive, straight-forward installation Includes optional hanger bars for truss mounting installations Equipped with built-in backdraft damper for ultimate control of your bathroom environment Motor is thermally protected for a product that will last for years Optional LED light kit available (see model PCVLEDK, sold separately) Energy Star qualified for increased power efficiency Covered under a 5 year limited warranty Product Technologies: Mid Sones: We know that comfort and ambience matter in your bathroom. This fan produces 1.7 sones of sound output, keeping the noise in your bathroom at a reasonable level. Low CFM Capacity: This fan has an efficient 80 CFM (cubic feet per minute) of clearing capacity designed for smaller bathrooms. Controlling humidity in your bathroom extends the life of your décor and makes for a more hospitable space to prepare for the day ahead. Specifications: CFM: 80 Sones: 1.7 Duct Size: 4" Round Grille Width: 10.25" Grille Length: 10.5" Housing Width: 9" Housing Length: 9" Housing Depth: 5.75" Light included: No HVI Certified: YesProduct Variations: PCV50: 50 CFM 2 Sone Ceiling Mounted Bath Fan PCV50F: 50 CFM 2 Sone Ceiling Mounted Finish Pack with Motor and Grille Assembly (Package of 4) PCV50H: Housing Pack for PCV50 Bath Fan (Package of 4) PCV80 (This Model): 80 CFM 1.7 Sone Ceiling Mounted Bath Fan PCV80F: 80 CFM 1.7 Sone Ceiling Mounted Finish Pack with Motor and Grille Assembly (Package of 4) PCV80H: Housing Pack for PCV80 Bath Fan (Package of 4)