Master Flow
6 in. Oval Cap


Heating, Venting & Cooling

6 in. Oval Cap for Oval Wall Stack Ducting. Used to cap oval wall supply and return air ducts. Provides a termination for a tee or for clean out access. Can be used for remodeling, do it yourself and new residential projects.

  • For capping oval wall stack ducting
  • For interior wall supply and return air ducts
  • Seal joints with approved duct mastic sealants
  • Insulate ductwork for improved energy efficiency and comfort
  • Consult your local building codes for approved installation practices
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