This Teflon ring is designed to provide a secure and hard-wearing seal around the quartz sleeve in Berson UV systems. With dimensions of 34 x 4 mm, it provides both mechanical support and protection against leakage. The Teflon material (PTFE) tolerates high temperatures, chemicals and prolonged exposure to water and UV radiation. Key benefits: Specially adapted for the quartz sleeve in Berson UV systems. Dimensions: 34 mm diameter, 4 mm thickness. Made of robust and chemical-resistant Teflon (PTFE). Provides a secure and long-lasting seal around the quartz sleeve. Please contact us if you are unsure whether this Teflon ring fits your UV system.