Presenting the Fernco 1006-43, a robust 4" X 3" Concrete to Cast Iron, Plastic (Sch 40, ABS) and Steel pipe coupling connector sewer and drain coupler adapter, engineered to provide seamless integration for your sewer, drain, and plumbing systems. Tailored to effortlessly accommodate 4" Concrete pipes, or pipes with outer diameters ranging from 5.25"-5.75" to 3" Cast Iron, Plastic or Steel pipes, or pipes with outer diameters ranging from 3.25"-3.65", ensuring versatility across various applications. Crafted with meticulous attention to quality and performance, Fernco couplings boast elastomeric polyvinyl chloride construction and 300-grade stainless steel bands, delivering a robust, leak-proof fitting resistant to chemicals and sewer gases. Trusted by industry professionals and homeowners alike, Fernco couplings establish enduring, watertight seals for sewer and drain connections, eliminating the need for cumbersome glues or primers. Suitable for seamless integration in both vertical and horizontal installations.With a maximum test pressure of 4.3 PSI and an intermittent operating temperature of 140 degrees F, these couplings offer unrivaled leak-proof, root-proof, and chemical-resistant attributes, guaranteeing unmatched reliability and longevity for your waterworks and plumbing requirements. Proudly manufactured in the United States for over 60 years, Fernco stands as the premier choice for dependable fittings. Material: PVC.