Polaris™ Scientific QS48HO Replacement Quartz Sleeve – UVA-418HO 6 inch x 2 inch Inline Filters3717 Water filtration system sold separately

Water filtration system sold separately and should be selected based on source water quality and capacity requirements

and scale buildup in one universal-fit cartridge

R30 Compatible Pleated Polyester Filter Cartridge

and both filters pre-selected

then hand-tighten the sump

Polaris™ Scientific QS48HO Replacement Quartz Sleeve – UVA-418HO 6 inch x 2 inch Inline Filters3717 Water filtration system sold separatelyPolaris Scientific Replacement Part QS48HO Quartz Sleeve Genuine high purity fused quartz sleeve for Polaris Scientific UVA high output systems. The QS48HO quartz sleeve protects the 48W high output UV lamp from direct water contact while transmitting maximum UV C at 254 nm. Fits the Polaris Scientific UVA 418HO. Replace whenever the sleeve becomes cloudy, scaled, etched, or cracked, and inspect it at every lamp change. Part Number QS48HO Length 535