Replacement cartridge for CO2 trap # W3T198126 Consumables for tanks This filter protects the purified water in a tank against contaminations, when the tank is ventilated during the usage of product water. The filter is a combination of CO2-filter and sterile filter. Replacement cartridge for CO2 trap # W3T198126 Consumables for tanks This filter protects the purified water in a tank against contaminations, when the tank is ventilated during the usage of product water. The filter is a combination of CO2-filter and sterile filter.