iPower 4 inch 195 CFM Inline Fan Circulation Vent Blower Air Carbon Filter 8 Feet Ducting and 1-Pair Rope Combo for Grow Tent Ventilation Low

Mini construction fan: Size: 4 inches; voltage: 120V; current: 0.45A; frequency: 60Hz; power: 28W; air velocity: 195 CFM; speed: 2500 RPM. Low noise design reduce sound output to just 30db Ducting: 4 inch diameter x 8 feet length when fully extended. Temperature endurance range from 0 185F -18C 85C. 1 pairs of 4 inch metal clamps made from stainless steel. Flexible length for exhaust fan blower / inline fan Air carbon filter: Air flow: 200 CFM; dimension: 4 inch flange ducting x 12 inch length. 1050 + IAV Australian RC412 activated carbon. 50mm carbon layer of thickness for higher absorption and performance.