10 Inch / 250mm Double Walled Hydroponics Ducting

What's the point of having a big and powerful air-con or heater if the air isnt the right temperature by the time it gets to the desired room?
With plain plastic or aluminium ducting, you can lose up to 10% of the temperature before the reaches the room.
This double walled insulated duct from HyFlo will have your heating and air-con performing better than ever. With a single piece vinyl overlay and reflective aluminium interior, this is the best small cavity duct available. 

Item specifications:

• 10 inch / 250mm Diameter
• 5 Meter Length
• Double walled design
• Vinyl exterior
• Aluminium interior
• Flexible yet sturdy steel frame cavity

Please note: This is small cavity duct: no foam, rockwool, or fibreglass insulation layer.
This is reflective aluminium interior with R:0.7