Duct Increaser Plastic 3x4in – GCS Building Supplies, Inc.

Duct Increaser Plastic 3x4in



Increaser connects two ducts together, allowing you to increase your 3 duct to a 4 duct size. Ideal forbathroom fan exhaust applications.
  • VENT ADAPTERS
  • Size In=3 to 4
  • PLASTIC