❄【NSF 42 CERTIFIED】Tested and certified by NSF,WQA and IAPMO against NSF/ANSI 42.Tested at a flow rate of 0.5 gpm to a capacity of 300 gallons for the reduction of Chlorine, Taste and Odor. Significantly improve the drinking water taste. ❄【NSF 372 CERTIFIED IN WQA&IAPMO】Tested and certified by WQA&IAPMO against NSF/ANSI 372.Product also evaluated and determined to possess weighted average lead content of less than 0.25%.No any harmful substances contains in this filter. Safely and healthily enjoy your drinking water. ❄【WIDELY RECOGNIZED HIGH QUALITY】The filter meets European EC1935-2004 Regulations, Australian Water Mark,and has the certificatons of TUV,ROHS,REACH,BPA FREE.