100mm External Grey Louvered Grille Vent *4" Spigot*
Stainless Steel 100mm 4" Non-Return Flap Extract Vent. Perfect for cooker hoods
100mm External White Louvered Grille Vent *4" Spigot*
100mm (4") White Round Grille - Internal or External Use
Stainless Steel 100mm 4" Gravity Flap Vent *Perfect for intermittent fans*
100mm Round Threaded Hose Connector Male - Connect Flexi Duct To Rigid
100mm Terracotta Louvered Grille Vent *4" Spigot*
4" 100mm Round Plastic Solid Ducting *350mm length*
100mm External Brown Louvered Grill Vent *4" Spigot*
100mm Black Louvered Grille Vent *4" Spigot*
125mm to 100mm (5" to 4") White Plastic Ducting Reducer
100mm 4" High Rise Ventilator WHITE
100mm 4" Aluminium Flexible Ducting *5 metre length*
100mm (4") Round Plastic Ceiling Valve With Fixing Ring
125mm to 100mm Round Offset Reducer
100mm (4") Stainless Steel Ceiling/Wall Valve
100mm (4") Brown Round Grille - Internal or External Use
100mm 4" Solid Ducting 90 Degree Elbow (VKC300)
100mm 4" High Rise Ventilator BEIGE
Stainless Steel 100mm (4") Bull Nose Vent *Low resistance with internal SS mesh*
