This O-ring, measuring 32 x 5 mm, is made specifically to provide a watertight and secure seal for the quartz sleeve in Berson UV systems. It prevents leaks and protects the electrical components from moisture, which is critical for the operational reliability of the installation. The O-ring is made from durable material that tolerates pressure, temperature variation and continuous exposure to water. Key benefits: Fitted to the quartz sleeve in Berson UV systems. Dimensions: 32 mm diameter, 5 mm thickness. Ensures reliable and watertight sealing. Easy to replace during service or maintenance. Please get in touch if you are unsure whether this O-ring fits your system.