• 40-micron filter: uses a high-quality brass precision stainless steel filter to trap particle impurities, sand, and rust in the water. • Whole house water purifier: this well water sediment filter can improve the water supply system for the entire family and ensure that clean water covers the whole family, washing machines, water purifiers, water heaters, etc. • High-strength transparent housing: uses explosion-proof aerospace plastic and transparent steel material for easy visual monitoring of the filter. Food-grade stainless steel housing, environmentally friendly, strong sealing knurled thread, easy-to-clean wiper for washing, durable container for aeronautical material for prolonged use. • Prolongs device lifespan: High-quality stainless steel filter with a 40-micron rating prevents dust, sand, and other debris from entering the device and prevents damage. Protect the entire house water system at the source. By using this pre-filter, the device's lifespan can be effectively prolonged. • Easy cleaning and replacement: Open the bottom valve, and the filter will clean itself automatically. It is recommended to rinse regularly (daily or weekly) depending on water consumption, sand content, and hardness, and it can be reused.