Tested designs backed by over five decades of proven experience, Fernco’s specially formulated PVC compound positively seals any sewer and drain connections. Offering 300 series stainless-steel clamps, this coupling is leak-proof, root-proof and resistant to many chemicals, ultraviolet rays, fungus growth, and normal sewer gas. The P1056-32 is compatible with a variety of piping materials including cast iron, plastic, steel, copper, and lead, and offers great flexibility. Fast and easy installation.