Replacement Carbon Filter for GX400 / GX300 / GX200 / EX400 / EX200 / EX100 / Mini ScrubGreen Coconut Carbon Filter 2.5″ x 9.75″ Reduces taste, odor, chlorine and certain VOC’s from water. Manufactured with 100% High Purity Coconut Shell Activated Carbon. High Chlorine reduction and high dirt holding capacity. NSF Standard 42 & 61 certified. Low Pressure Drop. 8,000 total gallons of chlorine removal, or 2,500 gallons of purified (RO) water at a 2:1 ratio.Specifications Filter Size 2.5″ x 10″ Sediment Micron Rating 10 Carbon Type Coconut Shell Fits in System EX100 / EX200 / EX400 / GX150 / GX200 GX300 / GX400 / MINISCRUB / ALK-US