It therefore has to be larger than 150mm to accommodate the thickness of the ducting tube wall plus a little tolerance. 150mm system wall plate for use with 150mm round ducting systems. Makes good internal wall.
6" [152mm] Duct Hose Interlocking Wall Plate + Hose Coupler + Blanking Plate
4" [100mm] Duct Hose Interlocking Wall Plate + Hose Coupler + Blanking Plate
Universal Gas Cooker Oven Hose Bayonet Angled Straight Wall Plate PTFE
Microwave Mica Board Wave Guide Protector Cover Wall Plate 100x120mm
Bosch Microwave Mica Board Wave Guide Protector Cover Wall Plate 100mmx120mm
