About This 6 Months Set: Individually wrapped 6-month high-capacity filter replacement cartridge pack for model T1-100ALK, T1-400ALK, including replacement cartridge filters for PP Filter, CTO Filter, and ALK Filter 1* PP Filter: Melt Blown Sediment Filter, SimPure PP filter removes contaminants 1 micron or greater in diameter, including sediment, rust, silt, sand, iron, and other organisms 1* CTO Filter: Active Carbon Block Filter, SimPure CTO filter removes contaminants 0.1 microns or greater in diameter, including taste, odors, similar contaminants, and carbon tetrachloride, and chlorine 1* ALK Filter: The alkaline filter contains pure natural filter material without heavy metal pollution. It is enriched with essential minerals such as calcium, magnesium, and potassium, resulting in a higher pH level NOTE: This filter pack does NOT include an RO membrane Overview Material : Polypropylene (PP) Product Dimensions : 6"D x 11"W x 22"H External Testing Certification : CE Product Benefits : Improves taste and odor of drinking water by removing chlorine, contaminants, and sediment, compatible only with SimPure T1-400 Under Sink Tankless Reverse Osmosis System Improves taste and odor of drinking water by removing chlorine, contaminants, and sediment, compatible only with SimPure T1-400 Under Sink Tankless Reverse Osmo… See more Brand : SimPure