iSpring FG15 Water Filter GAC Granular Activated Carbon For Aqua Optima EvolveDescriptioniSpring FG15 Water Filter GAC Granular Activated Carbon For Aqua Optima Evolve.Product Detail• Brand: iSpring • Model: iSpring FG15• Color: White/Blue• Type: Water FilterPlease message me if you have any questions. I have 20 years selling on ebay and over 1500 5 star reviews.