Polaris™ Scientific QS58HO Replacement Quartz Sleeve – UVA-630HO Pentek (155321-03) 20"x4.5" WS-20BB Water Softening Resin Filter and H2S reduction Service Life

and H2S reduction Service Life 6-12 months (varies by water quality)

🔧 Pro Tip: The cloth junction can dry out between uses

5" (4-5/8" OD) Filtration Rating 10 Micron Nominal Filter Media Bonded PAC Carbon Block Capacity 30

Integrated air check prevents reverse flow and maintains proper pressure during regeneration cycles

and hydrogen sulfide

Polaris™ Scientific QS58HO Replacement Quartz Sleeve – UVA-630HO Pentek (155321-03) 20"x4.5" WS-20BB Water Softening Resin Filter and H2S reduction Service LifePolaris Scientific Replacement Part QS58HO Quartz Sleeve Genuine high purity fused quartz sleeve for Polaris Scientific UVA high output systems. The QS58HO quartz sleeve protects the 58W high output UV lamp from direct water contact while transmitting maximum UV C at 254 nm. Fits the Polaris Scientific UVA 630HO. Replace whenever the sleeve becomes cloudy, scaled, etched, or cracked, and inspect it at every lamp change. Part Number QS58HO Length 665