Grilles & Plenum Boxes

Duct-IN supply a broad range of grilles and plenum boxes, you will find ceiling diffusers, swirl diffusers, egg crate, air valves and a lot more. All which compliment air conditioning and ventilation systems.

4 Way Supply Diffusers
Egg Crate Grilles 595mm x 595mm
Swirl Diffusers – 595mm x 595mm
Plastic Extract Air Valves
Plastic Supply Air Valves