Single-Stage 4.5" x 20" Spot-Free Rinse Resin Refill Kit – Replacement DI Media UPGRADE KITS 6 Max Iron Level ≤

6 Max Iron Level ≤ 5 ppm Housing Compatibility Fits all standard 4

📏 Size & Resin Capacity Chart (8% Cross-Link Resin)

*The ERP 500 is a much quieter alternative to the ERP 1000 which is slightly noisy

No regeneration chemicals required – only periodic backwashing

⚙️ Conditions for Operation

Single-Stage 4.5" x 20" Spot-Free Rinse Resin Refill Kit – Replacement DI Media UPGRADE KITS 6 Max Iron Level ≤Keep your LiquaGen Single Stage 4. 5" x 20" Spot Free Rinse System performing at its best with our pre measured resin refill bag. Each bag is heat sealed for maximum freshness and designed for quick, no mess replacement. One refill bag restores your cartridge to deliver spot free, deionized waterperfect for cars, RVs, boats, trucks, windows, and solar panels. Resin Replacement Quick & Easy Changing resin takes less than 5 minutes: Unscrew the blue