Coway Water Purifier
Many COWAY filters are certified by the WATER QUALITY ASSOCIATION (WQA) to a variety of standards, including NSF/ANSI standards 42, 53, and 58, which cover aesthetics,health benefits, and reverse osmosis systems, respectively. COWAY offers standalone purchase and lease options for some models, with varying contract terms. Water purifier prices range from about $40 for a used countertop model to $799 for a high-end under-sink system.(HTTPS://WWW.PERPLEXITY.AI/))


