CFM : 50 Sound Rating (Sones) : 4.0 Voltage : 120 For Use With : 3 In. Duct Grille Width (In.) : 9 Grille Length (In.) : 9.25 Color : White Certification : UL Listed
CFM : 70 Sound Rating (Sones) : 3.5 Voltage : 120 For Use With : 4 In. Duct Grille Width (In.) : 10.25 Grille Length (In.) : 15.625 Color : White Certification : UL Listed
CFM : 100 Sound Rating (Sones) : 5.0 Voltage : 120 For Use With : 8 In. x 8-1/4 In. x5-3/4 In. Steel Duct Grille Width (In.) : 15 Color : White Certification : UL Listed
CFM : 50 Sound Rating (Sones) : 2.5 Voltage : 120 For Use With : 4 In. Round Duct Grille Width (In.) : 10.25 Grille Length (In.) : 9.5 Color : White Certification : UL Listed