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  SRA / SSA- Square to Round Adapter / Square to Square Adapter  
  • Economical adapter designed to provide a transition from a square or rectangular neck to a round neck for flexible or round rigid duct connections
  • Field installed onto grilles, registers, or diffusers
Product Features
  • Available in full range of sizes from 4" to 24"
  • Designed so square and round neck dimensions can be the same, i.e. a 9"ø on 9" x 9" square
  • Coated steel, welded construction
  • Aluminum or stainless steel construction
  • Model SSA for square to square adapter


Model Description
SRA Square to Round Adapter
SSA Square to Square Adapter