It is made in Japan & Number 1 Faucet mount water purifier in Japan. It employs Toray’s proprietary 4-stage filtration technology. The high flow rate of 2 liters per minute. Filtration rating – 0.1-micron ·No electricity or gas needed·Plug n play. Multi-adapters for quick and easy DIY installation. It filters off 99.99% of all bacteria and other impurities. Save space as it mounts directly onto the kitchen tap. Keep your mineral intact, unlike the Reverse Osmosis (RO) system. No wastage of water reduces the carbon footprint on the environment. RO system wastage 60% of water. The See-through window shows you when to replace the filter. BUET & JIS tested that conforms to Bangladesh and WHO safe water drinking standards. 1-year parts guarantee ·1cartridge Total Filtration volume is 1500 liters.