Tamarack Technologies Tamarack Technologies HV3400 R50 Ductless "Ghost" Whole House Fan with R50 Vacuum Insulated Panel (VIP) Doors

Features: Features a powerful 3400 CFM Ghost blower, specifically designed for continuous use application Capable of ventilating a maximum area of 4000 square feet Equipped with R50 insulated doors that mechanically close to seal and protect the fan when not in use All instructions included for installation and operation Remote control included for wireless operation Covered under a 3 year limited warranty Specifications: CFM: 3400, 1900 Max Ventilation Area: 4000 Grille Width: 15.75" Grille Length: 25.75" Length: 29.5" Width: 26" Height: 27" HVI Certified: No Ductless: Yes Amperage: 2.8 Wattage: 450, 340 Voltage: 115 Hardwired: NoProduct Variations: TTi-GHOST: 3400 CFM Ceiling Mounted Ductless Whole House Fan with R38 Insulated Doors and Remote TTi-GHOSTR50 (This Model): 3400 CFM Ceiling Mounted Ductless Whole House Fan with R50 Insulated Doors and Remote