OCTO DUO-VOC Cartridges are extremely effective at reducing unwanted chemicals such as VOC’s and chlorine as well as improving both the taste & odour from potable water combined superior sediment reduction using our depth filtration melt blown exterior at 25 microns, to resist premature plugging. These dual cartridges are well-suited for a wide range of applications. Such as distribution system filter baths, maritime potable water filtration, residential, food service, commercial and industrial applications.