Fernco Clay to Cast Iron or Plastic Flexible PVC Coupling, 6 In. x 4 In. is a durable and versatile coupling designed to connect clay, cast iron, or plastic pipes in sewer and drain, water, and vent piping systems. Crafted from a tough elastomeric PVC compound that meets ASTM No. D5926 standards, this coupling ensures strength and reliability for your plumbing needs. It excellent resistance to chemicals, ultraviolet rays, fungus growth, and typical sewer gases, making it suitable for a wide range of environments and weather conditions. The stainless steel clamps provide corrosion-resistant and rust-proof security, delivering a long-lasting and flexible connection between pipes. This coupling is an i choice for projects requiring a dependable and adaptable solution for joining different types of piping. Model Number: P1002-64