• 【Ultra-long service life】: When used with municipal water, each under-sink water filter has a maximum service life of 24 months or 16,000 gallons
  
• 【Innovative multistage filtration】: The Waterdrop Under-Sink Water Filtration System adopts innovative multistage filtration. It can effectively reduce PFAS, PFOA/PFOS, chlorine, heavy metals, chemical impurities, sediment and other large particles.
  
• 【Advanced filter media】: The use of activated carbon blocks and other advanced filter media ensures efficient and safe filtration. Enjoy healthy and pure water directly from your tap – there's no need to buy bottled water anymore! Note: The activated carbon is made from natural coconut shells. Please confirm if you are allergic to it.
  
• 【Solving the clogging problem】: By upgrading the filtration area, our filter now offers a 20X increase in dirt adhesion area, enhancing filtration capability while minimizing the risk of clogging.
• 【IAPMO Certified Filte】r: Crafted from high-quality BPA-free and lead-free materials, the under-sink water filter is certified by IAPMO in accordance with the NSF/ANSI 372 Standard, ensuring reliable use both internally and externally. Certified by IAPMO against the NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, as well as improve taste and odor. Tested by a third-party laboratory against the NSF/ANSI 53 standard, it can reduce lead. To check the 42 & 372 certifications, please search for "WD-15UB" on the IAPMO official website.