Duct Outlet 14\ x 14\ Ceiling Box, w/ 14\ Round Collar - Connects Register Vent and Diffuser HVAC
- 26 Gauge Galvanized Steel, Single Wall with No Insulation.
- Built with standard plaster ground flange all the way around the square portion..
- Connects a 14" Round Duct to a 14" x 14" Diffuser or Register Vent..
- The ceiling box is nailed into the attic rafters and plastered or dry walled around the flange called plaster ground..