QuietCool QC CL-3100 Whole House Fan | 3190 CFM cell plug tray and only the outline differs

and only the outline differs

temperature coefficient (β) fixed 2% / °C

ready for further use

Filter Efficiency:

QuietCool QC CL-3100 Whole House Fan | 3190 CFM cell plug tray and only the outline differsQuietCool QC CL 3100 Classic whole house fan The QuietCool QC CL 3100 moves up to 3,190 CFM on high and 1,906 on low through a patented acoustical duct and R5 insulated damper box. That keeps noise and vibration very low while it pulls cool air in and exhausts hot air through the attic. Two speeds draw 320W and 231W, near 9. 97 and 8. 25 CFM per watt. A 16 by 24 inch grille and 4. 1 square feet of attic venting keep the install simple. Ultra quiet