Exhaust Duct Coupler, ABS Round Fitting with Stepped Ends for Diameter Changes, Compare Both Duct Ends Before Installation 100inner 75inner

Features: Stepped Reducer Connection: Two round ends join through a stepped reducer shape to support duct diameter changes, helping form an orderly connection point in ventilation or exhaust duct runs. ABS Construction: The molded ABS fitting provides a lightweight connector body for ventilation duct work, with a streamlined round profile that is easy to position during installation. For Ventilation And Exhaust Use: Use this round duct reducer adapter where a ventilation or exhaust run changes between different duct diameters while keeping the common duct purpose clear. Measure Before Selecting: Compare both duct-end measurements with the matching fitting before installation, so the reducer configuration aligns with connection points in your ductwork project. Package Contents: Each package includes a round duct reducer adapter for a focused repair, replacement, or ventilation duct connection job; installation tools and sealants are not included. Specifications: Component: ABS Quantity: 1 Piece Sizes:as the picture show Package Includes: 1Piece Ventilation Duct Reducer Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.