The Trojan Replacement Sleeve for C, C+, C4, C4+, D, D+, D4, D4+ Water Filters provides thermal protection for the UV lamp against water damage. This sleeve fits the Trojan UV water disinfection systems, and ensures high UV light transmittance due to its 100% fused silica construction. It is domed on one end and should be replaced when worn or broken.
Systems used in: C, C+, C4, C4+, D, D+, D4, D4+
Description: Domed at one end