AddAcsaCI Water 7+ Alkaline & Fluoride Water Filter JUGSimple, unique and competitive in every way. A cost effective solution to filtered water in the home. All materials are BPA free. Premium water filter (Cartridge) with 7 layers of filtration. Water filters fast, and the filter has a long life span of 350 401 litres (depending on the quality of water in your location). We recommend replacing your filter every 2 3 months. We include 1 filter with this product. Great taste of fresh filtered water with 8.