LiquaGen - 2 Pack Replacement Inline Deionization () Canisters for Universal / Systems - 1/4" Inlets | Engineered for Zero Ultrapure Water | Easy Filter Change

This product is great for aquariums, laboratory testing, and other applications where ultra-pure water is necessary. 1 year Satisfaction Guarantee, w/ life time support by water technology experts based in California. - This particular green resin is extremely high quality resin compared to the average blue resin. Mixed Bed Color Changing Filter In Clear Housing.The anion resin is a Type strongly basic gel resin with an indicator dye that changes from blue to brown as the resin exhausts. The cation component is a strong acid sulfonated polystyrene gel type cation exchange resin. Highest Caliber Nuclear Grade Media providing optimal performance for the membrane. The higher the rejection rate of the membrane the longer the will last. Essentially the is polishing off the remaining of the membrane and therefore fewer out of the membrane making the last longer and perform better.