Aquaboon Sediment Water Filter Cartridge Features QUALITY POLYPROPYLENE LONG FILTER LIFE BPA FREE MATERIALS ONLY AQUABOON MISSION Sediment Water Filter Cartridge is made of fine melted polypropylene, which is blown and spun in a cylinder-like form. 4 – 6 months / 20000 – 30000 gallons filter life (depending on the water quality). Replace to keep pleasant taste of your water. BPA is the toxic chemical has been linked to causing reproductive, immunity, and neurological problems. Our filters are BPA FREE! Aquaboon mission is to provide the highest quality of service and products in the water treatment industry.