The Praher Replacement O-Ring is a high-quality component designed to ensure a tight seal and prevent leaks in your plumbing systems. Made from durable materials, this O-ring provides excellent resistance to chemicals and temperature changes. It is commonly used as a replacement for 1.5” PVC single union ball valve retainer rings, offering a reliable seal for various Praher Plastics products. The N-142 O-ring is an essential part of maintaining the efficiency and longevity of your plumbing setup.