Do it 1-1/2 In. Poly Slip-Joint Washer is specifically designed for use in tubular drain applications. Made from durable polypropylene, this washer excellent resistance to corrosion and chemicals, ensuring long-lasting performance. Its slip-joint design allows for easy installation and adjustment, making it i for plumbing systems that require a secure and watertight connection between the slip-joint nut and the drain pipe. This washer provides a reliable seal to prevent leaks and maintain proper drainage, making it an essential component for your plumbing needs. Model Number: 65KHB