The ENERGY STAR® Quiet Series provides cost effective, energy efficient ventilation at low sound levels and features a contoured grill that almost disappears into the ceiling. At the highest point the grill projects only 1/2" down from the ceiling. The electronically balanced centrifugal blower wheel assures maximum ventilation with minimum sound. Over the forty years Air King has been in business, they have developed something of a reputation for manufacturing quality ventilation products, offering products at a good value, and providing excellent service for their products. Air King believes that a home is more than just a house, it is a sanctuary from the busy world, so shouldn't it be comfortable as well? Their mission is to make homes healthier, more comfortable, and more convenient, and they have delivered for over 40 years. Features: Excellent ASHRAE 62.2 ventilation solution California Title 24 and CALGreen compliant Energy Star certified saving you money annually on your overall energy bill Easily installs using the included adjustable hanging brackets UL listed for installation over a tub or shower on a GFCI circuit Plastic damper protects against back drafts and ensures quiet operation Effective ventilation for bathrooms up to 50 sq. ft. and other rooms up to 60 sq. ft. Available in contractor packs (4 housing and 4 mbgs) Specifications: CFM: 50 Housing Width: 10-7/8" Housing Depth: 9-3/8" Housing Height: 7-7/8" Grille Width: 11" Grille Length: 13-3/4"