[NSF 42 CERTIFIED]Tested and certified by NSF,WQA and IAPMO against NSF or 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]Tested and certified by NSF,WQA and IAPMO against NSF or ANSI 372.Product also evaluated and determined to possess weighted average lead content of less than 0.25 percent .No any harmful substances contains in this filter. Safely and healthily enjoy your drinking water.[8 WEEKS LIFETIME]Enjoy better water by replacing your water filter every 2 months.[Environmental protection]No longer consuming water of ABS bottles.Reduce white pollution. recyclable. Inside is a natural activated carbon that can nourish the plant after recycling, such as flowersMaterial:ABScolour:WhitePackage Contents:6 x filter elementsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.