NPK Industries RAW Nitrogen 8oz Grow Light Ballasts this duct fan features an

this duct fan features an EC-motor that is controlled using PWM (Pulse Width Modulation)

such as the CLOUDLINE Series of duct fans

making it one of the fastest water filtration systems on the market

Dimensions: 16 x 12 x 2 inches

Size: 2U Rack Space | Design: Exhaust | Airflow: 50 to 220 CFM | Noise: 10 to 36 dBA | Bearings: Dual Ball

NPK Industries RAW Nitrogen 8oz Grow Light Ballasts this duct fan features anDescription NPK RAW Nitrogen 8oz NPK RAW Nitrogen 8oz: RAW Nitrogen contains 20% Ammonium Nitrogen (N) in a Water Soluble form. RAW Nitrogen does not contain nitrates or urea which enables it to be applied at all stages of growth and bloom. Plants take up two forms of nitrogen: nitrate N and ammonium N. Raw Nitrogen is Ammonium Nitrogen only. It can also be used as a foliar feed and during bloom unlike Nitrate N. RAW Nitrogen is ideal for boosting