ProtectONE� R F400 120: 1-speed
ProtectONE® R F400-120 1-speed is a smoke and heat exhaust fan unit for non-residential and industrial buildings.
ProtectONE� R F400 120: 2 Speeds
ProtectONE® R F400-120 2-speed is a smoke and heat exhaust box fan for commercial and industrial premises.
