High-Efficiency Household Mini Pre-Filter:This compact household mini pre-filter is designed to be installed directly on your tap, effectively protecting your washing machine, water heater, toilet faucet, and other terminal appliances. Construction:Made from high-quality brass, the housing provides excellent resistance, strength and long-term durability. The robust body resists cracking and deformation under normal water pressure, ensuring stable performance in both kitchen and bathroom environments. Effective Tap Water Pre-Filtration:The mini pre-filter is specially designed for tap water systems, intercepting visible impurities before they reach your washing machine, water heater or toilet faucet.