Square Ceiling Diffusers The most popular and efficient ceiling diffuser. Square face diffusers are the most popular and efficient type of the ceiling diffusers. The square cone diffuser provides a true 360° radial horizontal air flow pattern. CDP Square plaque ceiling diffuser VER CDP https://catalog-api.greenheck.com/api/product/es-419/1392 CDS Square cone ceiling diffuser VER CDS https://catalog-api.greenheck.com/api/product/es-419/1395
