Air duct 90 degree union elbow - General Components

90 degree union elbow, PVC coupling for air ducting. Various sizes. Compatible with Espar, Webasto and GC heaters.
90 degree union elbow, PVC coupling for air ducting. Various diameters.

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Air duct coupling (union) straight - General Components

Wholesale 2022 New Style Threaded Brass Union - Pipe Fitting 1 1/2 Inch Brass Welding Elbow – 505 Metal Manufacturer and Supplier

PlumbShop Brass Union Tube, 3/8-in OD

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Air Ducting - General Components

Specification: Diameter: 4 inch Shape: Duct Elbow Degree: 90 Degree Material: Galvanized Steel Package Included: 1 pc Elbow Duct Rubber Gasket: All

HVAC Duct Elbow 4 inch, A-KARCK 90 Degree Duct Connector with Rubber Sealing, Precision Welded Galvanized Steel Prevent Air Leakage

PlumbShop Brass Compression Elbow Fitting, 1/2-in MIP x 3/8-in OD, 1-pk