• 180 CFM 6.5 Sones. • Installs easily between ceiling joists. • Housing features built-in backdraft damper. • 8-1/4” diameter and 7-15/16" high housing. • Fits 8” round duct. • CSA certified for kitchen use when used with optional aluminum filter model 99010042. • CSA Certified. Efficient, high-performance for ceiling installations. Offered in two sizes to meet various room requirements.