PDDR - Perforated Return Diffuser
PDDR, PDDR-FR, PDDRE-FR
Overview
The Perforated Return Diffuser (PDDR) is designed to match the PDF, PDN, PDC, PDSP and PDMC perforated supply diffusers in appearance and detail. Similar to the perforated supply diffusers, the PDDR is available in five frame styles and six module sizes.