Our 220 x 90mm flat channel plastic ventilation ducting is suitable for HRV Systems and Cooker Hood Extraction. It has similar airflow to 150mm ducting
Internal Dimeter: 220 x 90mm
Lengths Available: 1 metre
We stock the following fittings for our 220 x 90mm ducting:
· 220 x 90mm Horizontal 90 degree bends
· 220 x 90mm Horizontal 45 degree bends
· 220 x 90mm joiners or couplers
· 220 x 90mm equal tees
· 220 x 90mm to 150mm round connectors
· 220 x 90mm Vertical 90 degree bends
· 220 x 90mm 90 degree elbow bends to 150mm
· Duct reducer 220 x 90mm to 204 x 60mm
A suitable airtight tape, duct tape or ventilation mastic should be used to seal the 220 x 90mm duct joints.