The McAlpine Rubber Waste Washer RWW1 is a plumbing component designed to ensure a watertight seal between a waste outlet and a waste pipe. This washer creates a secure fit, preventing leaks by providing a cushioning effect and a tight seal. Crafted from high-quality, durable rubber, it withstands wear, tear, and exposure to water and chemicals common in plumbing systems. The RWW1 is engineered to fit a waste outlet of 73mm and a waste pipe of 42mm, with a thickness of 3.0mm. Installation is straightforward, requiring basic tools and plumbing knowledge, making it suitable for both professional plumbers and DIY enthusiasts. Simply place the washer around the waste outlet and insert it into the waste pipe for a reliable seal. The McAlpine RWW1 Rubber Waste Washer is a dependable and efficient solution for plumbing applications.