The Stream33 1-1/2" PVC Poly Tailpiece Washer is a key component in plumbing installations, constructed from high-quality polypropylene plastic. This durable washer is designed to provide a secure and leak-proof seal in sink tailpiece connections. It's specifically sized for use with 1-1/2 inch PVC tailpieces, ensuring a perfect fit and optimal functionality. Ideal for both residential and commercial plumbing systems, this poly tailpiece washer is essential for ensuring a reliable and efficient connection in kitchen and bathroom sink drain assemblies.