Hon&Guan 4″ Air Filtration Kit: 4 Inch Inline Duct Fan
Hon&Guan 4″ Air Filtration Kit: 4 Inch Inline Duct Fan with Speed Controller, 10″ High Carbon Filter, 8 Ft Ducting & Rubber Coupler, Ventilation System for Grow Tents, Indoor Gardening, Hydroponics 【Efficient Ventilation System Kit】: Includes Hon&Guan 4" inline duct fan, Speed Controller, 10" High Carbon Filter & 8 Ft Ducting. It’s the ideal choice for moving and circulating air in various ventilation projects; easily and precisely control fan speed and airflow to stabilize and optimize your growing environment 【Low Noise & Energy-Saving】: Hon&Guan inline duct fan ensures powerful performance with airflow at 130 CFM at a low noise level...