iPower 4 Inch 195 CFM Inline Fan, Air Carbon Filter and 8 Feet Ducting, Circulation Vent Blower Kits for Grow Tent Ventilation, Low Noise

Ducting: 4-inch (diameter) x 8 feet (length) when fully extended. Flexible length for exhaust fan blower / inline fan. 1 pairs of 4 inch metal clamps made from stainless steel. Temperature endurance range from 0~185°F (-18℃~85℃),Quiet and efficient fan: Design with a fan speed of 2500 RPM for an air flow of 195 CFM. Powerful blower to move air to your target location for optimal ventilation. Low noise design reduce sound output to 30 Db,4'' air carbon filter: Air flow: 220CFM; reversible flange ducting: 12-inch length. 1200+ IAV Australian RC412 activated carbon: High-quality carbon for higher absorption and long service. Hook design, easy to hang,Multi-functional: This ventilation combo eliminates the undesirable ill-smelling odors and removes heat in the grow tent to solves air delivery problems without major system rework or expense,Package includes: 1 x 4-inch 195 CFM inline duct ventilation fan; 1 x 4 inch air carbon filter with hook and free pre-filter; 1 x 4 inch 8 feet ducting with 2 clamps