Ventilation Kit, 8'' Air Carbon Filter, 25' Ducting, 500 CFM Inline Fan With Controllers & Thermohygrometer, iPower Shelving Units The white pre-filters give a

The white pre-filters give a bright

whiter roots

VermiKelp results in better root development through the stimulation of microbial activity

Easy Installation: Free pair of 6 inch metal clamps made from stainless steel

±50ppm (500ppm) (@ 1385ppm)

Ventilation Kit, 8'' Air Carbon Filter, 25' Ducting, 500 CFM Inline Fan With Controllers & Thermohygrometer, iPower Shelving Units The white pre-filters give a8 Inch 550 CFM Duct Inline Fan Blower: Composite fan blades and center hub which reduces noise and vibration. 8 Inch 1050+ IAV Australia Charcoal Filter: One of the world's most absorbent carbon available; Dimensions: 8" Flange Ducting x 20" Length; Reversible flange. FREE Pre Filter included: We recommend replace the Pre Filter every 6 months to protect your filter. 8 Inch 25 Feet Uninsulated Aluminum Ducting + 2 Stainless Clamps: Flame retardant