Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more.


Drop Plenum Diffusers - Drop Plenum Diffusers:
Heavy Duty Industrial Diffuser


The Models HD-DF-3 and HD-DF-5 are designed for air dispersion in heavy duty and industrial applications. Model HD-DF-3 offers one row of blades which are fully adjustable. Model HD-DF-5 offers two rows of blades (horizontal and vertical) which can be independently positioned for optimal airflow.