• 50 CFM 3.0 sones (HVI) • Torsion spring grille mounting - no tools needed • Compact housing fits easily between wall studs • Double strength steel mounting flanges with keyhole slots for fast installation • Ceiling or wall application • Available in Single and Builder Packs • CSA Certified Economy series fan, a quality fan for incredible value. The attractive white polymeric grille blends well with any decor.