Aquatic Life Reverse Osmosis Deionization (RODI) 10" Color Indicating Mixed Bed DI Resin Cartridge 3-Pack

Removes TDS from water and changes color when exhausted. Standard 10" cartridge housing - Designed for upflow applications to ensure the longest possible exposure time. Refillable. Twist-On Cap with Fine Filter insert and Sponge to prevent filter media flow out. Use with popular RO/DI systems and the Aquatic Life Spot Free Car Rinse Compatible with Captive Purity, Kent Marine, Seachem, Coralife, BRS, and most other residential or aquarium/hydro DI or RODI systems.