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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.

Circular Diffuser
Linear Slotted Grilles
Linear Bar Grilles
GYPSUM DIFFUSERS – ART
GYPSUM DIFFUSERS – SQUARE
Gypsum Diffusers – Circular Diffusers
Gypsum Diffusers – Linear Slot Diffusers