Highcool 512M 6-Inch Through-the-Wall Exhaust Fan with White Grille, 80 CFM, 4.0 Sone, 16-Inch Retractable Duct, Household Ventilation Fan for Attic

Powerful 80 CFM Airflow — Effectively ventilates your attic, garage, laundry rooms, kitchen, bathroom, and gable areas, as as near workbenches, vehicles, and other spots, to 75 square feet while removing stale air and moisture for fresh environment. Not for use over tubs, showers, or any water-contact areas. Quiet with 4.0 Sone Noise — Engineered as silent bathroom fan, garage fan, and multi-purpose vent fan, it provides minimal sound emission. The expandable duct is constructed from aluminum foil, featuring diameter of 6.2 inches and length from 2 to 16 inches, with wall thicknesses ranging from 5-1/4 to 20 inches. When using the expandable duct, create 6-3/8" diameter opening in the interior wall. Otherwise, cut 6-1/8" diameter opening. Design with White Grille, Aluminum Filter, and Vent Covers for Wall — and straightforward to install, fits most standard wall openings, and seamlessly with your decor while helping airborne dust and particles. Efficient and 6 Inch Fan — The motor coil is constructed from copper for reliable, -efficient with effective dissipation. The 6 inch duct undergoes surface with electrophoretic to rust, making it for humid or greasy settings kitchens, laundry rooms, or as exhaust fan for bathrooms or garages.