Also, many water filter organizations will say they're tested to NSF expectations, but by unbiased labs. Because of the not enough transparency in these impartial testings, we only suggest filters that utilize the NSF or WQA certifications. Ability These companies test claims about reduction for what the NSF defines as https://alkaline-pitcher90088.spintheblog.com/22528302/how-refresh-water-can-save-you-time-stress-and-money