Waterdrop 15UA Under Sink Water Filter System, Under Counter Water Filter Direct Connect to Kitchen Faucet, NSF/ANSI 42 Certified, with one filter

Waterdrop was founded in 2015 with a commitment to improving global drinking water quality. Dedicated to meeting global household water needs, ensuring water safety, and contributing to human well-being, Waterdrop provides filtered water access to people worldwide.

• Replacement Value: Each WD-RF15 replacement filter is priced under $35.99, and is described as helping lower ongoing replacement costs by over 50% compared with many alternatives.
• Service Life & Use Conditions: When used with municipal tap water, the system is rated for up to 24 months of use (actual lifespan varies by local water conditions). Designed for cold water only—not for well water or hot water. For travel, place filters in sealed bags and store in the refrigerator (not the freezer) for up to 30 days.
• Multi-Stage Filtration Performance: Uses multi-stage filtration designed to help reduce PFAS (including PFOA/PFOS), lead, chlorine, certain heavy metals, chemical impurities, sediment, and larger particles, supporting cleaner-tasting water for everyday use.
• Certifications & Materials: Made with BPA-free and lead-free materials. IAPMO certified to NSF/ANSI 372 (lead-free materials) and NSF/ANSI 42 (chlorine, taste, and odor reduction), and third-party tested to NSF/ANSI 53 for lead reduction. Certification details can be reviewed by searching “WD-15UA” on the IAPMO website.
• Fast DIY Installation & Steady Flow: Push-to-connect fittings support DIY installation in about 3 minutes, and the twist-and-lock design enables filter changes in about 3 seconds. Includes a direct-connect 3/8" hose for standard under-sink feed valves plus a 3/8"–1/2" converter for common cold-water lines and faucets. Tested flow rate is 0.75 GPM at 60 psi, suitable for use in kitchens, bathrooms, RVs, or offices for drinking, cooking, cleaning, and more.