RO/DI 5-Stage Replacement Kit – Pre-Filters & DI Resin (1-OT Series) bulk reef supply ✅ High-Capacity Output – Up

✅ High-Capacity Output – Up to 900 gallons of pure

5-Stage RO/DI Complete Replacement Filter Kit

Using premium ion exchange resins and specialty absorbents

Gravel support bed required

RO/DI 5-Stage Replacement Kit – Pre-Filters & DI Resin (1-OT Series) bulk reef supply ✅ High-Capacity Output – UpWhen Stage 1 (Sediment) and Stage 5 (Green DI Resin) starts turning brown, it is an indicator that all the filters need to be replaced. RO Membrane Film By GE USA. This is the ideal replacement kit if you've had your RO DI system for more than 2 years. The GPD means Gallons Per Day & if in doubt about the GPD of your system, please contact us. 0 PPM Water guaranteed. Quick & easy filter change. Long lasting premium quality filters Filter Life: Pre