VIQUA 602733 UV Quartz Sleeve for E, E4, E4+, E4-V, PRO7
Replacement sleeve for VIQUA E4, E4+, E4-V, Pro7 and IHS (E4) Model systems. The quartz sleeve keeps the UV lamp from shorting out and maintains the lamp’s ideal operating temperature of 104 Degrees Fahrenheit. Mineral build-up hinders the lamp’s effectiveness.