It can reduce PFAS (PFOS by 98% and PFOA by over 99%), ensuring that you drink safe and healthy water. This form of filter is both stable in performance and long in service life, keeping the chlorine reduction rate up to 98% before it expires; the taste is therefore improved. Provides efficient filtration via a multi-stage filtration technology that reduces impurities like TDS, limescale, VOCs, arsenic, magnesium and calcium.（Tested by third party laboratory） As your water expert we only use BPA-free and lead-free materials to protect your water safety. This water filter will serve optimally for a month, and you get to save money and reduce plastic waste from bottled water within this period.The service life of the filter varies according to the local water quality.