The Trojan 602733 is a replacement quartz sleeve used in the following models of UV water filter systems:
The Trojan 602733 Quartz Sleeve - UV Max E & E+ is made with 100% fused silica. This Trojan quartz sleeve surrounds the UV lamp, providing protection from the water surrounding it, and also tranmitting light from the lamp to the water. This UV quartz sleeve measures 40 inches in length.
The Trojan 602733 specifications: