Ensure secure and efficient water drainage in your bathroom basin with the AC-81 Brass With Nylon Full Thread Waste Coupling. Designed with a 4" inch height, this coupling features a full thread body for a tight and stable fit. Made from corrosion-resistant brass and reinforced with durable nylon, it guarantees long-term performance even in high-use areas. The silver finish adds a sleek touch, while the precision threading ensures leak-free operation. A part of the trusted Allied Collection, this accessory is a must-have for any modern sanitary setup.