- Strong Back RC Coupling Designed for Resistance to Heavy Earth Loads and Shear Forces While Provides Improved Pipe Alignment
- Ultimate Pipe Alignment - Due to the Thickness and Strength of the Strong Back
- Ultimate Sealing Gasket - The Flexible PVC Gasket has a Smooth Inside Surface Providing Greater Sealing Performance than Ribbed Rubber Gaskets
- the Smooth Internal Wall of the Gasket Makes Contact 360 Degree Over its Entire Length
- Ultimate Transition Connections - When Making Transition Connections of Differing Pipe Sizes or Materials, the Strong Back RC Series Gasket Features a 1-Piece Molded-In Bushing
- Ultimate Versatility - Couplings Offer the Ability to Connect all Common Drain Pipes in Any Combination of Size and Material
- RC Series Shear Ring, Assured Consistent Pipe Alignment Against Shear Forces from Soil Compaction, Shifting and Settling and Improper Backfill
- Environmental Commitment
- Made in USA