【Safe to Use】The machine head uses environmental protection copper, European standard 617, will not precipitate lead and other toxic materials, full of quality and safety. 【Durable Use】Dense metal net made of medical grade 316 stainless steel, durable and long service life of 30 years, only need regular cleaning. 【Improve Water Supply System】The filtration accuracy reaches 40-80 microns, improving the entire house water supply system and allowing healthy water to cover the whole house. 【Easy Installation & Widely Used】Comes with mounting accessories for easy installation, suitable for washing machine, water purifier, water heater, etc. 【Practical】It This is the firewall of water appliances, installing a pre-filter can effectively extend the life of the appliances. Features: 【Safe to Use】The machine head uses environmental protection copper, European standard 617, will not precipitate lead and other toxic materials, full of quality and safety. 【Durable Use】Dense metal net made of