Broan 2677H Housing Pack, Type IC Mount (4-Pack): 50 CFM, 0 sones, 4-inch duct, moistureproof steel housing with backdraft damper; fits rooms up to 45 sq ft.
Broan-NuTone 50 CFM EStar exhaust fan with white louvered grille, 2.0 sones. Installs in minutes with no cutout or attic access; ceiling or wall mount; UL-listed for tubs/showers.