4″ x 4″ Concrete x Cast Iron Plastic Flexible Coupling
- Connects concrete to cast iron, plastic, copper, steel or lead
- Designed for resistance to heavy earth loads and shear forces and provides improved pipe alignment
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Strong back couplings offer a 3/250″ stainless steel shield and a molded in bushing
- Flexible and shielded
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Leak-proof, root-proof and resistant to chemicals, ultraviolet rays, fungus growth and sewer gases