The 3M Filter cartridges Model AP2-C405-G is an activated carbon filter cartridge, features a 0,5 micron carbon block. The AP2 provides a Sanitary Quick Change (SQC) design that makes cartridge change-out simple – just a quarter-turn of the cartridge to remove and replace, without having to turn off the water supply. The filter reduces chlorine, microplastic, lead, parasitic protozoan cysts and selects VOCs (Volatile organic chemicals). At the same time, the water retains the good natural minerals/salts present in the water. AP2 series cartridges are used for chlorine taste and odour reduction, sediment reduction and reduction of Benzene, toxaphene and dichlorobenzene (toxic for humans). Features of the AP2-G filters include a chlorine capacity of 4.000 litres. Filter lifetime of up to 4.000 litres or 6 month, whichever comes first, and a rated flow rate of 2l/min.