The Trojan 602976 is the correct replacement quartz sleeve for the following systems:
The Trojan 602975 Replacement Quartz Sleeve For Pro 30 provides thermal protection for UV lamps in select Trojan ultraviolet water filtration systems. This Trojan replacement sleeve provides protection against potential damage from water. This Trojan quartz sleeve is open on both ends and requires replacement when worn or broken. This Pro 30 quartz sleeve is constructed with 100% fused silica, which provides high UV light transmittance through water.
Trojan 602975 Replacement Quartz Sleeve For Pro 30 specifications: