2-Stage 4.5" x 10" Spot-Free Rinse Resin Refill Kit – Replacement DI Media bulk reef supply this cartridge provides multi-function filtration

this cartridge provides multi-function filtration

controlled pH correction

it delivers maximum chlorine

this cartridge is ideal for reverse osmosis pre-filtration

2-Stage 4.5" x 10" Spot-Free Rinse Resin Refill Kit – Replacement DI Media bulk reef supply this cartridge provides multi-function filtrationProduct Description Keep your 2 Stage Spot Free Rinse System running at peak performance with this Resin Refill Media Kit. Each package includes 2 replacement bagsproviding a complete system refill. With a capacity to deionize approximately 150 gallons of water (depending on your tap water quality), this refill kit helps prevent water spots and streaks on cars, boats, trucks, windows, and solar panels. Whats Included 2 x Replacement Resin Bags (enough