Shoemaker Manufacturing - Made In America
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Adjustable Round Ceiling Diffuser

RDA back view
Back of RDA showing adjustable threads and 2" collar
Download Submittals & Performance Data
For more information such as cross reference information, related products and finish options visit our RDA product page.

Shoemaker's RDAs are New and Improved
Affordable, quiet and aesthetically pleasing the RDA is the choice for large open areas where directional throw flexibility is needed.

Typical Uses
Large open areas such as restaurants, convention centers, commercial lobbies. Can be used in exposed duct designs or hard lid ceilings.

High performance and quiet
Flexibility in directional throw (horizontal or vertical)
Removable core for ease of installation and damper balancing
Aesthetically pleasing

Standard Features

  • Adjustable round 3 cone ceiling diffuser
  • Air pattern adjusts from horizontal to vertical by rotating core
  • Spring-latch removable core for ease of installation
  • 2" ADC compliant round collar with bead for ease of installation
  • Seismic-ready with pre-drilled holes to accomodate sudden shifting
  • Rust resistant durable power finish
  • Packaged individually
  • Soft White
  • Optional opposed blade radial damber (RDA-OBR)

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Toll Free: 866.940.0696   Local: 509.674.4414
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618 East 1st Street. Cle Elum, WA 98922
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