The Zenpure Water Purifier Maintenance Service Kit is a complete replacement and performance enhancement combo designed for all types of domestic and commercial RO water purifiers. This combo includes a high-efficiency RO membrane and a precision-engineered flow restrictor, working together to maintain ideal purification pressure, extend membrane life, and deliver consistently pure, great-tasting water. Built with high-quality, food-grade materials, this kit ensures long-term durability, stable operation, and easy installation, making it a perfect solution for routine RO maintenance and service upgrades.