Genuine Viqua quartz sleeve for a Trojan UVMax 47/Pro15/F/F4/Plus model systems. The UVMax 602733 Quartz sleeve provides thermal protection for the system UV lamp and protects it from possible water damage. 

Application: 
The quartz material used in Trojan UVMax 47/Pro15/F/F4/Plus systems quartz sleeve is a 100% fused silica which lends to the sleeve's high UV light transmittance through the water. Each Trojan 602733 quartz sleeve is tested, ensuring that the lamp delivers the appropriate intensity for your Trojan System. You should replace the sleeve if it fouled or is broken.   
Specifications:

• Used in Pro15, UVMAX F and F Plus, F4-50 Plus, F4, F4 Plus, F4-V, and F4-V Plus systems
• Domed on One End
• Origin: Fabricated in the USA
• Warranty: One year manufacturer warranty