` Diamond Refined | Diamond Coral
Mini_Platinum Coral_Platinum Water_bar Master_Filter
Coral Mini Coral Water Bar Master Filter

DIAMOND CORAL water machine is world's few being accredited [NSF/ANSI
42 and 53 Entire Product Quality and Safety Testing Gold Seal Certification]
by [USA Water Quality Association (WQA)].


International Certification of WQA Gold Seal
NSF/ANSI 42 and 53 from USA

This system has been tested and certified by the Water Quality Association in 200 safety and performance tests according to NSF/ANSI 42 for the reduction of chlorine, taste & odor, and NSF/ANSI 53 for turbidity and VOCs.


Passed Nearly 200 Safety and Performance Tests

DIAMOND CORAL’s unique water system passed nearly 200 safety and performance tests, proven to be able to filter and remove rust, dust, bacteria, chemical components and heavy metals such as aluminum, iron, copper, lead and many others. The purified water met the drinking water safety standards set by World Health Organization (WHO) and reserved beneficial minerals at the same time.


National Sanitation Foundation (NSF)

NSF is accredited by the American National Standards Institute to develop American National Standards. NSF standards are developed, maintained and revised by the committee ballot system, similar to that used by American National Standards Institute (ANSI) and ASTM. The committees consist of representatives of groups affected by the scope of the standard such as industry representatives, public health/regulatory officials, users/consumer representatives and other relevant interest groups.


USA Water Quality Association (WQA)

The Water Quality Association (WQA) is a not-for-profit association for the residential commercial, and industrial water treatment industry. WQA represents more than 2,700 member companies around the globe. Our membership is comprised of equipment manufacturers, suppliers, dealers and distributors of water quality improvement products and services. WQA proudly serves as an educator of water treatment professionals, certifier of water treatment products, public information resource and voice of the water quality improvement industry.

The Water Quality Association’s Gold Seal Product Certification Program is accredited by the American National Standards Institute (ANSI) to test and certify products for conformance with industry standards, including international standard such as NSF/ANSI, CSA, ASME or similar product for testing and certification.