4 IN. CARBON FILTER 1 + FLANGE,
¥ 4Ó Ventilation Flange Included
¥ 22 cfm to 45 cfm Exhaust
¥ 3 lb. Carbon Weight
¥ 6.3Ó Diameter x 12Ó Tall, 6.5 lbs. total weight
The 4Ó affordable small-sized filter for your grow room is simple to use. Just attach to ducting and a fan for exhaust and you have an instant neutralizing odor eater! Quality constructed with heavy-duty galvanized steel, these filters can be mounted vertically or horizontally and come with pre-filter to prolong the life of the carbon. When integrated into your exhaust system, all the air that leaves your growing environment it totally and completely scrubbed before exiting. The 4` unit small is rated for 22-45 CFM.