FeaturesPatented, fast snap-in metal housing installationWhisper-quiet fan circulates air past replaceable activated charcoal filterNo duct work required - perfect for applications where ducting is impossible or impracticalAttractive, white molded grillesTorsion spring grille mounting - no tools requiredPlug-in, removable motor assemblyPolymeric impellerPatented snap-in mounting saves time and moneyMounts easily to framingEasy snap-in mountingLong lasting, easy-to-replace activated charcoal filterDuctless fan