Fernco Flexible Coupling, 4" PVC/CI to 3" PVC/CI

The dimensional flexibility of Fernco couplings ensures leak-proof pipe seals on virtually any pipe material: plastic, cast iron, asbestos cement, clay, concrete, steel, copper and ductile iron. All flexible couplings are clearly marked with part number, size, and pipe material that the coupling will connect to.

• 4-inch PVC/CI to 3-inch PVC/CI
• Tested designs backed by over five decades of proven performance
• Positive seal against infiltration and exfiltration
• Leak-proof and is resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases
• Conforms to ASTM D 5926, C 1173 and CSA B602
• Connects same or different pipe sizes and materials quickly and easily
• Stainless steel clamps are corrosion-resistant and rustproof