Fernco Clay to Cast Iron or Plastic Flexible PVC Coupling, 4 In. x 3 In. is a durable and versatile coupling designed to connect clay, cast iron, or plastic pipes in sewer, drain, water, and vent piping applications. Crafted from a tough elastomeric PVC compound that meets ASTM No. D5926 standards, it ensures strength and reliability. This coupling is resistant to chemicals, ultraviolet rays, fungus growth, and typical sewer gases, making it i for a variety of environments and weather conditions. The corrosion-resistant and rust-proof stainless steel clamps provide a secure and long-lasting connection between pipes. Whether for plumbing repairs or new installations, this coupling a flexible and dependable solution for your piping needs. Model Number: P1056-43