RFDC Series

Product Information

View Performance Data RFDC

Aluminum Construction RFDC

Price RFDC Series Radial Flow Diffusers with replaceable high efficiency filters provide a unique method of air distribution for modern cleanrooms. They are designed to provide large volumes of filtered air with low room velocities — a situation not always possible with laminar flow panels.

The Price RFDC combines the best features of both louvered and laminar flow diffusers. Its special perforated face produces low initial face velocities, minimizing entrainment of room air, while its radial shape and internal vanes distribute large volumes of air in a semi-cylindrical air pattern. A replaceable high efficiency filter allows the RFDC to "flush" or displace contaminated air from the cleanroom with large volumes of clean, low velocity air.


  • Face of diffuser is easily removed for access to the filter.
  • Static pressure port to measure filter pressure drop.
  • Surface mount or 1" (25) wide gasketed T-bar ceilings.
  • Housing is factory scanned for leaks.
  • Optional steel full flow damper with remote cable operator. Selection of coated or stainless steel is available.
  • Easily replaceable high efficiency filter with silicone gel seal which provides a leakproof seal between the filter and housing.
  • Available filter efficiencies:
    HE           95% at 0.3 µm
    HEPA      99.99% at 0.3 µm
    ULPA      99.999% at 0.12 µm

    Product Selection Checklist

  1. Select Diffuser Type by model number (FRFDP, AFRFDP, FRFDPSS).
  2. Select Inlet Diameter.
  3. Select Blow Pattern (1w, 2w).
  4. Select Damper Construction if required.
Example: FRFDP / 10" / 1R / 24" x 48"

  • Standard construction is aluminum perforated face and vanes with an aluminum filter. The RFDC unit is in B12 white powder coat.
  • Optional steel volume control damper is finished in B12 white powder coat.
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