Duct Fan, DA4S, 4" Duct Booster Fan, Max Boosted CFM: 75, Free Air CFM: 62, dBA/sones: 52/2.4, 4 x 6

4" Duct Booster Fan

Max Boosted CFM: 75

Free Air CFM: 62

dBA/sones: 52/2.4

4 x 6