Brown Wall Outlet Duct Cowl 100mm Air Vent Grille with Flap

Brown Wall Outlet Cowl 150mm x 150mm / 100mm Duct Hose Flap

204mm x 60mm 45 Bend Horizontal Rectangular Duct

SPARES2GO Stainless Steel Square External Extractor Wall Vent Outlet with Gravity Flaps (6" / 150mm)

Brown Duct Gravity Flaps 150mm x 150mm / 100mm Vent Cover

AirTech Cowl Gravity Flap Wall Non-Return Valve Cowl Duct Cover Air Vent Grille 100mm (White)

204mm x 60mm 90 Bend Vertical Rectangular Duct

Anthracite Wall Outlet Duct Cowl 190mm x 190mm / 125mm Hose Flap Damper

204mm x 60mm 90 Bend Horizontal Rectangular Duct

150/160mm Ventilation Air Hood Non-Return Flap Outside Duct Cover White Colour

Grey Wall Outlet Duct Cowl 150mm x 150mm / 100mm Hose Flap

AirTech Cowl Gravity Flap Wall Non-Return Valve Cowl Duct Cover Air Vent Grille 100 duct opening brown

AirTech-UK Cowl Gravity Flap Wall Non-Return Valve Cowl Duct Cover Air Vent Black-100mm

AirTech Ducting Cowled Gravity Flap 150mm / 6" Outlet Cowl Air Vent Grille with Non Return Valve / Backdraft Shutter

White Wall Outlet Duct Cowl 150mm x 150mm / 100mm Hose Flap

204mm x 60mm 45 Bend Vertical Rectangular Duct

204mm x 60mm Duct Connector Rectangular Duct

White Wall Outlet Duct Cowl 190mm x 190mm / 125mm Duct Hose

SPARES2GO Stainless Steel External Wall Air Vent Non Return Flap Outlet (6" / 150mm)

204mm x 60mm Tee Piece Rectangular Duct