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MCDD — Aluminum Adjustable Modular Core Diffuser, Flat Margin, with OBD option

How to Specify

Use the engineering data files to determine the proper size to use for maximum performance. Refer to the submittal drawing for key product dimensions.

How to Purchase

FAQs for GRDs

MCDD — Aluminum Adjustable Modular Core Diffuser, Flat Margin, with OBD option

Assets/Details

Submittal Data (90 KB, PDF)
Engineering Data (217 KB, PDF)
  • Extruded aluminum construction
  • Opposed-blade damper
  • Four modular cores provide variable pattern adjustments of four-way, three-way, two-way, or one-way horizontal air patterns
  • Removable modules provide easy access to damper
  • Flat (extended) margin
  • Fixed fins
  • Bright White finish
  • Available sizes (inches): 6x6, 8x8, 10x10, 12x12, 14x14, 16x16, 18x 18, 20x20, 22x22

MCDD — Aluminum Adjustable Modular Core Diffuser, Flat Margin, with OBD option - dimensional drawing