4'' Grow1 Booster In-Line Duct Fan ventilation/air-conditioning and volume to provide maximum

and volume to provide maximum growing area

turning on and off exhaust fans

receipt from shop purchased and original packaging

5pcs per set*

• Contains a blend of naturally occurring vegetative spore-forming microorganisms

4'' Grow1 Booster In-Line Duct Fan ventilation/air-conditioning and volume to provide maximum4" Booster In Line Duct Fan. Duct booster fans increase airflow in hard to ventilate rooms. They are durable, quiet, easy to install, and fit into metal or flex ducts. Their strong motors, excellent performance, and higher temperature ratings set these booster fans apart. Rated for both heated and cooled air and perfect for outdoor AND indoor use. 4 inch diameter Maximum cfm: 175 Maximum watts: 17w Maximum amps: 0. 15 Volts: 120 Hertz: 60