[CERTIFIED AND TESTED]: Tested and certified by NSF International against NSF/ANSI Standard 42 for the absorption of chlorine, taste and odor.
[REPLACEMENT CYCLE]: To achieve optimal performance, change your filter every 6 months or 300 gallons.
[PREMIUM MATERIAL]: Uses high-grade natural coconut shell activated carbon block as filtration material, which features better adsorptive ability and better filtration performance with microscopic pores.
[QUALITY ASSURANCE]: All filters from EcoAqua ensure reliable and efficient filtration performance for the entire duration of the cartridge.