Pentair Quartz Sleeve 38-1/4" | BioShield UV System 80 Watt | 523040 C8418 replacing the bezel surround and

replacing the bezel surround and keypad assembly as a matched set

Floor flow rate: 240 GPM 3" plumbing

Stain and Scale protects spas from the damaging effects of scale buildup and staining due to excessive calcium

The directional vent valve allows air to be purged from the filter tank during startup and after servicing

With 195 precision-formed pleats maximizing media surface contact and a reinforced polypropylene core

Pentair Quartz Sleeve 38-1/4" | BioShield UV System 80 Watt | 523040 C8418 replacing the bezel surround andThe Pentair BioShield Quartz Sleeve (523040) is the OEM replacement quartz sleeve for the Pentair BioShield UV System 80 Watt (Model 522636), measuring 38 1 4" in length. What It Does The quartz sleeve surrounds the UV lamp inside the BioShield system, creating a protective barrier between the lamp and the water flow while allowing ultraviolet light to pass through. A compromised or fouled sleeve reduces UV transmission efficiency, diminishing the