Pondmaster Clearguard Replacement Quartz Sleeve for 18 Watt Clearguard UV Sterilizer. Genuine Replacement Pondmaster Parts from Danner Manufacturing - Replacement Quartz Sleeve fits the ClearGuard UV and Filters.

• Includes 1 Quartz Sleeve w/O-Rings
• Approximate dimensions: 10.58" L x 1.90" W (Top of tube) x 2.54" (Bottom of tube)
• Only fits the Clearguard UV model # 15820
• Please note the UV Bulb is not included
• Will not work with the older model Clearguard uv models with the clear neck on the quartz sleeve. Only the 15820 which has the black neck around the quartz sleeve.