For use with the Seychelle Pump2Pure, Pocket Pump2Pure and Olive Pocket Pump Increases alkalinity/pH up to 9.5 Filters made in the USA and tested both Nationally and Internationally It can be used when quality of water is unknown. Not to be used with salt water. Filters up to 150 gallons Filters are easy to install Seychelle RAD/ADVANCED/pH Filters are tested to remove up to 99.99% of the following zones of contamination: Aesthetic contaminants:unpleasant taste, odors, cloudiness, silt and chlorine Chemical contaminants:VOC’s,toxic chemicals, trihalomethanes, PFOA, PFOS, PCB’s, glyphosate, herbicides, detergents, pesticides (DDT), benzene, atrazine and many more Inorganic contaminants:heavy metals, aluminum, asbestos, cadmium, chromium 6, copper, arsenic, nitrates & nitrites, lead, and mercury Radiological contaminants:Gross alpha, gross beta, and radon-222 Model Number: 1-10700-FC/PF