Active Air 4 In-Line Fan, 165 CFM

The Hydrofarm Active Air 4-Inch Hydroponic In-line Fan is an excellent tool for providing ventilation and cooling to indoor grow rooms. In-line fans work with other tools, including grow lights, to create a successful growing environment. They help eliminate odors and help with temperature control. This fan circulates air at a rate of 165 cubic feet per minute; as a general rule, its advised the air in a grow room recirculate at least once a minute.

Transfer air to your target location in a quick and reasonably quiet way, with a fan speed of 2500 RPM for an air flow of 195 CFM. Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB. Lightweight, compact fan takes up minimal space, suitable for applications where larger fans just won't fit.

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