Pureza is one of the top manufactures in China for refrigerator water filters. We have more than 30 types of water filters, all of them have been tested and certified by IAPMO to NSF/ANSI 372 for lead free compliance, and are certified for Materials Safety, Structural Integrity and System Performance. We have 6 production lines, and our daily capacity is 15000 pcs. Every month we produce and sell more than 350,000 pcs high quality water filters to the whole world. Our customers are 100% satisfied with our product, and we are proud of every single filter that we made.