Benefits of prestige water purifier compliant with stringent us-epa standards and nsf 42 standards. Requires no electricity. As safe as boiled water, saves gas. Has a capacity of 18 litres and ensures immediate access to purified water via the 9 litre built-in safe storage container. 3 stage filtration process stage 1: pre-filter made of non-woven cloth to remove particulate and suspended impurities stage 2: the microbiological fact filter cartridge which powers the fx biosafe filter provides: 99.9999 percent reduction of pathogenic bacteria. 99.99 percent reduction of water-borne viruses. 99.95 percent reduction of water-borne cysts. Chlorine taste and odour (cto) reduction. Chemical reduction. Exceptional dirt-holding capacity. Fast flow rate of up to 8 litres per hour under gravity. Uses no chemicals for filtration. Has extremely long life of 1500 litres (under test conditions) and hence lowest cost per litre of water. Best value for money. Uses raw materials which are nsf/ansi, standard 42 compliant. All plastic used complies to is 9845:1998 standard.