【NSF CERTIFICATION】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. Testes and certified by WQA and IAPMO against NSF/ANSI 372.Product also evaluated and determined to possess weighted average lead content of less than or equal to 0.25%. No any harmful substances contains in this filter. 【Note】 Please carefully check the model list in the product page to confirm if this filter is the correct model for you. 【WIDELY RECOGNIZED HIGH QUALITY】The filter meets European EC1935-2004 Regulations, Australian Water Mark,and has the certificatons of TUV,ROHS,REACH,BPA FREE. Safely and healthily enjoy your high quality drinking water. 【100% MONEY-BACK GUARANTEE】 Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed with Defects in Material and Workmanship within Each Filter's 6 Months Service Life. We promise a risk-free shopping experience backed up with our reliable customer service and technical support team.