Waterdrop RF15 Undersink Filter Replacement for 15UA/15UB/15UC – Reduces Lead, PFAS, Chlorine | NSF/ANSI 42 Certified, 2-Year Life

Clean, convenient water from your Waterdrop RF15 undersink filter

The Waterdrop RF15 replacement filter is designed for the 15UA, 15UB, and 15UC families, delivering multi‑stage filtration to reduce common impurities while preserving a crisp, refreshing taste. It supports three connection options: your existing faucet, a dedicated drinking faucet, or a refrigerator dispenser, giving you flexible installation to match your kitchen setup.

Flexible installation options

Whether you want purified water from the main faucet, a separate drinking faucet, or a refrigerator inline setup, RF15 adapts to all three paths. This versatility helps keep your surface tidy and your filtration route straightforward.

Long-lasting performance

Under typical municipal water, the RF15 replacement filter offers up to two years of service life or roughly 19,000 gallons. The extended lifespan helps reduce frequent filter changes and keeps maintenance manageable for busy homes.

Reduced clogging for smoother filtration

Upgraded filtration area provides 20x more dirt adhesion capacity, supporting filtration efficiency longer and lowering the likelihood of clogged pathways. Expect steadier flow and less downtime in your daily routine.

What the filter targets

The multistage filtration tackles PFOA/PFOS, PFAS, lead, heavy metals, chemical impurities, sediment, and other larger particles. Individual results vary, but many users notice a cleaner taste and a more refreshing finish from their tap water.

Certification and materials you can trust

• IAPMO-certified, BPA-free and lead-free materials for safe drinking water contact.
• NSF/ANSI 42 certification for chlorine, taste and odor reduction; third-party testing for lead reduction under NSF/ANSI 53.
• Tool-free, twist-and-lock replacement that takes seconds to complete.

Real-world convenience

Imagine turning on the tap and enjoying cleaner water for coffee, tea, cooking, and hydration—without the ongoing purchase of bottled water. RF15 aims to fit into your daily routine with ease.