Engineered Polymer Grilles and Registers - Louver Faced Return / Exhaust Series: EPRH Engineered polymer louver face return/exhaust grille. Designed with 45 degree blade deflection for a visually obscured appearance.	Engineered Polymer Cubed Core - Eggcrate Return / Exhaust Series: EPCC5 Engineered polymer cube core eggcrate-style return/exhaust grille. Attractive deep grid design, available for non ducted applications; and round duct with an optional aluminum transition.
Engineered Polymer Ceiling Diffusers - Louvered Face Series: EP5000 Engineeered polymer louver face ceiling diffusers are for use in ceiling applications which call for a clean, smooth, appearance, lightweight, corrosion resistant, and ease of installation.