The Trojan 602974 is the correct replacement quartz sleeve for the following systems:
The Trojan 602974 Replacement UV Quartz Sleeve PRO 10 provides thermal protection for UV bulbs in Trojan UVMax Pro10, G, and G Plus water disinfection systems. This Pro 10 quartz sleeve also provides protection against possible water damage. This Trojan replacement sleeve is open on both ends and should be replaced when fouled or broken. This UV quartz sleeve also boasts 100% fused silica, which provides high UV light transmittance through water.
Trojan 602974 Replacement UV Quartz Sleeve PRO 10 specifications: