4 Inch x 8 FT Insulated Flexible Duct with 2 Clamps, Noise Reducing, for Ventilation Systems grow-light grow tents

grow tents

balance pressure

this hose delivers superior heat resistance

and contaminants

Office Provides effective ventilation to reduce humidity and odors

4 Inch x 8 FT Insulated Flexible Duct with 2 Clamps, Noise Reducing, for Ventilation Systems grow-light grow tentsProduct Information Color: Black Ducting Opening Size: 3 inch 4 inch, 5 inch Strectch Lengh: 4 FT 8 FT Thick layer of PVC&2 layers of Aluminum on this ducting prevents gas leaks. Works with extractor and inline duct fans, carbon filters which are 3" 4" 5" in diameter. Application HONGUAN duct silencer is suitable for HVAC system. It will move and deliver air in kitchens (cooking exhaust), green houses and grow rooms (air Circulation, intake, exhaust