VIVOSUN Grow Tent Ventilation System Kit: D4 4 Inch 195 CFM Inline Duct Ventilation Fan, 4’’ Carbon Filter and 8 Feet Ducting Combo, Air Filtration Kit - 306101VC-4K

• Effective Ventilation Kit: Three-part system includes every part you need to get set up. It is primarily used in various air circulation and ventilation projects to move and transport air Efficient Design: VIVOSUN grow tent ventilation kit is equipped with a powerful blower whose fan speed up to 2500 RPM and air flow up to 195 CFM. Lightweight, compact fan takes up minimal space Quiet Operation: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB, which will not disturb your work Superior Carbon Quality: The carbon filter uses 1050+ RC 48 Activated Carbon of Australian quality, such high-quality makes the filter more durable. 4-layer filter system enables cleaner air flow Sturdy Ducting + 2 Stainless Clamps: The built-in steel wire reinforces the strength. Three-layer thickness duct walls have PET core sandwiched in the middle with two-side fire-retardant aluminum foil