iPower 4 Inch 190 CFM Duct Inline Fan with 4" Carbon Filter 8 Feet Ducting Combo for Grow Tent Ventilation Measure Master 4 Inch 1050+ IAV Australia

4 Inch 1050+ IAV Australia Charcoal Filter: One of the world's most absorbent carbon available

locks in place

medium and deep

manganese and zinc

even in rain

iPower 4 Inch 190 CFM Duct Inline Fan with 4" Carbon Filter 8 Feet Ducting Combo for Grow Tent Ventilation Measure Master 4 Inch 1050+ IAV Australia4 Inch 190 CFM Duct Inline Fan Blower: Made with quality UL components for quiet operation. Composite fan blades and center hub which reduces noise and vibration. 4 Inch 1050+ IAV Australia Charcoal Filter: One of the world's most absorbent carbon available; Dimensions: 4" Flange Ducting x 12" Length; Reversible flange. 4 Inch 8 Feet Uninsulated Aluminum Ducting + 2 Stainless Clamps: Flame retardant coating and corrosion resistant wire helix;