· Inner duct: Perforated Alium foil
· Middle layer: Glass Wool （20kg/m³ density）
· Outer sleeve: 1 Alium + 1 Polyester lamination
· Tempreture range:-30℃ to 150℃
· Color: black
· Size: 6 inch X 33.3 foot (10m)
1）Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and
hooded lights which are 6″ in diameter.
2）Under the Black PVC layer our ducting is built with 2 layers of Aluminum Foil With a layer of PET and Steel Wire Helix to
preserve the shape,keep your ventilation system free of rips and pin holes.
3）designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.
4）this Hon&Guan ventilation suits for HVAC, Bathroom, Greenhouse, Grow room and Tent and so on.