GV0721 30GA 3" ROUND BIG END CAP is a round duct end cap. In plain language, it is used to close or terminate the open end of round ductwork. This item belongs to Vent Pipe And Fittings, so it should be selected by matching the listed model, size, and application to the job requirements.

Purpose: Used to close or terminate the open end of round ductwork. Where it is used: Used at the end of a round duct run or unused duct opening. How it is used: Selected by duct diameter and fitted to the end of the duct opening.

Key features: Listed size/rating from title: 30GA; Closes the end of round ductwork Dimensions/weight: 30GA; weight not specified in the available source data. Note: Installation requirements and compatibility should be confirmed with manufacturer documentation or a qualified HVAC/R technician.