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  2. Air Distribution - Supply and Return Diffusers, Registers and Grilles
  3. Supply Diffusers, Registers & Grilles
  4. Square to Round Adapters
  5. 14" - 18" x 18"-Square to Round Adapters

#1448 14" - 18" x 18"-Square to Round Adapters

Size (in) 14 - 18 x 18