Type: Thermal Duct with Membrane Maximum allowable temperature + 80° С. Extra light, flexible air ducts made of aluminized PVC on a wire base, hard-wearing, multiply aluminium foil built to last. This flexible duct is made of aluminum. It is silver-coloured with a 15 foot length Ideal for hydroponics, toilets, bathrooms, offices, workshops and garages. 200mm/10m Insulated Aluminium Duct with Membrane is easy to install, retains its properties by repeated bending and squeezing. Aluminium Flexible Duct Hose 200MM at best price in Pune by Metro Tubing Company | ID: 2857866236197 Aluminum foil flexible ducting supplies. Multi-ply aluminium and polyester laminate construction supported by a high tensile steel wire helix Example: Heat recovery units, Grilles, Fans & Carbon Filters for growing room/tent. Specification: Length: 10 Meter Long. The Sound dampening layer reduces noise and vibrations and the Anti-Moisture layer prevents water getting into the insulation., Maximum allowable temperature + 80° С. Low Noise Flexible Duct With Membrane Choosing The R-Value For Insulated Flexible Duct: R4.2 Vs R6 Vs R8 - GFI HVAC Hydroponics Ventilation Tube Example: Heat recovery units, Grilles, Fans & Carbon Filters for grow room/tent.