Make of durability Polyoxymethylene materials, this water machine waste water valves reduces wastewater discharge through flows control, ideal for users who value resource conservation Engineered to minimize noise during use, ensuring disturbance proof in quiet neighborhoods or households with children The Polyoxymethylene materials excellent resistance and long terms stability, aging issues common in standard materials for reliability water supply systems Features a built in precisions mechanism to stabilize water flows and fluctuations caused by water pressures, perfect for home kitchens and small commercial spaces Designed to integrate seamlessly with various water machine models, this valves allows simple installation for easy maintenance by users, Manufacturer: HZBB