Firewall for Water and Electrical Appliances: The water pre-filter is designed to prevent impurities like sediment, debris, rust, calcium and sand particles, and other contaminants from entering your home and family. It acts as a firewall for water and electrical appliances. Installing a pre-filter can effectively extend the lifespan of electrical appliances. High Density and High Strength: The water pre-filter adopts aerospace technology plastic steel explosion-proof transparent material, which has high strength, beautiful appearance, smooth surface, and high density. Durable: The water pre-filter is a dense filter made of medical grade 316 stainless steel, which is durable and has a lifespan of up to 30 years. It only needs to be cleaned regularly. Otherwise, you may need to rinse more often to remove particles accumulated due to the fine filter used. Improve Water Quality: The head of the water pre-filter adopts the European standard 617, an environmental protection copper material, ensuring safe quality. The filtration accuracy reaches 40-80 microns, improving the water supply system for the entire family and allowing clean water to cover the entire house. It offers excellent resistance to antifreeze and water hammer. Easy Installation: Comes with installation accessories, easy to install, suitable for washing machines, water purifiers, water heaters, etc. Simply open the drain valve for at least 30 seconds to automatically flush and clean the entire system to ensure filtration effectiveness.