QuietCool Classic Whole House Fan QC CL-4700 Canna Cribs S2E12 Originals the same as the rest

the same as the rest of the Boost range

1x ¼"top hat grommet

with a 6-inch opening

Four interchangeable nozzles switch between fine mist

dense cell tissue

QuietCool Classic Whole House Fan QC CL-4700 Canna Cribs S2E12 Originals the same as the restQuietCool QC CL 4700 Classic whole house fan The QuietCool QC CL 4700 Classic moves 4,757 CFM on high and 3,586 on low to pull cool outdoor air in and push heat out. It cools homes and grow spaces up to 2,400 square feet. A patented acoustical duct and R5 insulated damper box keep it whisper quiet at 54 dB. Two speeds draw 533W high and 491W low on 120V. Quiet two speed attic ventilation for grow rooms Growers flush heat from lights and equipment