System 636 4 in. x 4 in. Hub CPVC FGV 45 Degree Elbow is a duct elbow.

In plain language, it is used to change the direction of a duct run. 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 change the direction of a duct run.

Where it is used: Used where ductwork needs to turn around framing, equipment, or layout constraints. How it is used: Matched to duct diameter and angle, then installed into the duct run to redirect airflow. Key features: Listed size/rating from title: 4 in.; Changes duct direction Dimensions/weight: 4 in.; 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.