Product: HG POWER 32Ft Duct Silencer Flexible Ducting Hose Noise Reducer Hose Silencer for Inline Duct Fan (4Inch, Black)
Brand: HG Power
Color: Black
Specification: 

· 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: 4 inch X 33.3 foot (10m) 

Feature: 

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 4" 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.
Material: aluminum + PET, outer layer with PVC film; 4 inch, 33Ft.
Light Resist: Thick layer of Black PVC on this ducting prevents light leaks. Works with exhaust and intake fans, carbon filters and hooded lights which are 4" in diameter.
High quality: 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.
Low Noise Silencer: designed for reducing noise from fans and carbon filter systems, can decrease the noise by up to 50%.
Variety of Applications: HVAC, Bathroom, Greenhouse, Grow room and Tent and so on.

Search query: 4inch flexible duct for exhaust fan
Relevance: Exact