iPower 4 Inch 200 CFM Inline, Carbon 8 Feet, Exhaust Blower Heating Cooling Booster for Hydroponics Grow Tent Ventilation Indoor Gardening, 4» Fan + Ducting+Filter+Speed Controller, Black

iPower 4 Inch 200 CFM Inline Fan with Speed Controller, Carbon Filter and 8 Feet Ducting, Exhaust Blower Heating Cooling Booster for Hydroponics Grow Tent Ventilation Indoor Gardening, Black
Low noise and speed control: durable plastic fan housing and blades for extremely low noise(<30 dB). Have a variable speed controller, you can adjust it to desired airflow level according to your requirement
4» air carbon filter: Reversible flange ducting: 12-inch length; air flow: 200CFM; 1050+ IAV Australian RC412 activated carbon; 50mm carbon layer of thickness for higher absorption and performance. Pre-filter included
4 inch 8 feet 4 layer protection flexible ducting: PVC layer + aluminum foil + PET + aluminum foil design with 2 stainless steel duct clamps. Temperature range: -22°F~212°F(-30℃～100℃)
Multifunctional: Easy to install. Removable duct ends with locking tabs for quick removal and easy maintenance. Suitable for industrial, household and horticulture ventilation applications, help you maintain a healthy grow room