LiquaGen - 2 Pack Replacement Inline Deionization (DI) Canisters for Universal RO/DI Systems - 1/4" Inlets | Engineered for Zero TDS Ultrapure Water | Easy Filter Change - LiquaGen Water Technology, 703610776432

• UPC   672713464129
• 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. ONLY USE AFTER PROPER REVERSE OSMOSIS PRE-TREATMENT This particular green resin is extremely high quality resin compared to the average blue resin. Mixed Bed DI Color Changing Filter In Clear Housing.The anion resin is a Type I 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 DI will last. Essentially the DI is polishing off the remaining TDS of the membrane and therefore fewer TDS out of the membrane making the DI last longer and perform better.