4 Inch x 8 FT Insulated Flexible Duct with 2 Clamps, Noise Reducing, for Ventilation Systems grow-light and optimize ventilation efficiency in

and optimize ventilation efficiency in HVAC and grow systems

and stale air

balance pressure

Office Provides effective ventilation to reduce humidity and odors

ensuring proper air circulation and temperature control for healthy plant growth

4 Inch x 8 FT Insulated Flexible Duct with 2 Clamps, Noise Reducing, for Ventilation Systems grow-light and optimize ventilation efficiency inProduct 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