The right fan for a tight fit. The latest solution for installations where conventional ventilation simply wont fit. Perfect in multi-family housing situations, because the fan is narrow enough to be installed in a wall between 2 x 4 studs. Sometimes plumbing or electrical obstructions found behind drywall in ceiling remodels get in the way. LoPro can still fit without having to move anything.80 CFM with 4 duct or 70 CFM using a 3 duct reducer ensures ample air movement and quickly reduces humidity to prevent or eliminate fogged mirrors, so your vision will always be clear and your surroundings will always be comfortable Greater than 50 CFM at 0.25 static pressure (with 4 oval duct or 3 round duct) still allows you to meet ASHRAE 62.2 local ventilation requirements , so you can have confidence in your selection Very quiet operation at 1.1 Sones provides a peaceful environment, so you can relax during your morning routine ENERGY STAR efficiency lowers utility bills which is always a nice result for our budget Compatible with Radiation Damper RDF1 which helps prevent flame and heat from spreading to other areas in multi-level buildingsCFM: 80 Collection: LoProfile CSA Listed: Yes Depth: 4 Fan Sound Level (Sones): 1 to 1.9 Finish: White Housing Material: Galvanized Steel HVI Certified: Yes Length: 10-1 2 Maximum Room Size: 70 ft² Mounting Style: Recessed Opening: 3, 4 Sones: 1.1 Weight (lb.): 8.8 Width: 11-3 8
