Grilles & Plenums
Grilles & Plenums
Greenmill AC brings you a comprehensive choice of grilles and plenums for air-conditioning & ventilation systems.
Below you'll find ceiling diffusers and circular diffusers, egg crate grilles and deflection grilles.
We also stock external weather louvres, air valves, and circular heritage outlets for a wide range of HVAC applications.
In addition, you can order both metal and plastic plenums, available with next day delivery, nationwide.