Single lamp UV Lamp for E4 Water System Models 12 Month Life ✔️ 70W UV lamp; 9000 hour life; fits E4, E4+, E4-V, PRO7, IHS This UV lamp replacement is designed for common UV water treatment systems and is used to maintain disinfection where water quality matters. It’s suited for in-home or small business installations that rely on UV purification to treat bacteria and contaminants in drinking water. ✅ 70W UV lamp with 9000 hour life✅ Replacement for E4, E4+, E4-V, PRO7, and IHS E4 Easy Swap✅ Pack size: 1 lamp 💡 What is the purpose of a replacement UV lamp in home water treatment systems? These lamps maintain disinfection strength and water safety over time. - maintains disinfection effectiveness for safe drinking water - fits E4 family and IHS E4 Easy Swap units - typically replaced on a 12 month cycle ✝️