Polaris™ Scientific · Replacement Part
QS39 Quartz Sleeve
Genuine high-purity fused quartz sleeve for Polaris Scientific UVA systems.
The QS39 quartz sleeve protects the UV lamp from direct water contact while transmitting maximum UV-C at 254 nm. Fits every 39W Polaris Scientific model — UVA-12C, 24B, 36B, 50B, 60B, 80B, and 100B. Replace whenever the sleeve becomes cloudy, scaled, etched, or cracked, and inspect it at every lamp change.
| Part Number | QS39 |
| Length | 890 mm |
| For Lamp | 39W UV lamp (GL39PP) |
| Material | High-purity fused quartz |
| Fits Models | UVA-12C, 24B, 36B, 50B, 60B, 80B, 100B |
💧 Tip: Handle with clean gloves and clean the sleeve every 3–6 months if hardness exceeds 7 grains or iron exceeds 0.3 ppm to maintain full UV transmission.