EcoAqua EFF-6003A Refrigerator Water Filter, Replacement for LG® LT600P®, 5231JA2006A, 5231JA2006B, KENMORE 46-9990, 9990, 469990 Refrigerator Replacement Filter, 3 FiltersBrand: EcoAqua Color: White Features: CERTIFIED AND TESTED: Tested and certified by NSF International against NSF ANSI Standard 42 for the absorption of chlorine taste and odor. REPLACEMENT CYCLE: To achieve optimal performance, change your filter every 6 months or 300 gallons. PREMIUM MATERIAL: Uses high grade natural coconut shell activated carbon block as filtration material, which features better adsorptive ability and better filtration