RF15 Water Filter Replacement for Waterdrop 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 2 Years

This is the best filter and system ever. The system is super easy to install yourself, it is very affordable, and delivers amazing results. I live in an area with highly clorinated water, so much that when you flush or turn the water on, it smells like someone has a bottle of Clorox. Also very hard water with a ton of nasty minerals I don't want. This takes every bit of chlorine smell and taste out of the water and creates a perfect drinking and cooking water.

I’ve been using the Waterdrop RF15 water filter for years, and I absolutely love it. It’s incredibly easy to install, and replacing the filter is a breeze — no complicated setup or tools required. The water tastes fresh and clean, and I feel confident knowing that it’s effectively reducing contaminants. The filter lasts a good amount of time, and I love that it’s affordable while still providing excellent filtration. It’s made a noticeable difference in the taste of my water, and I can tell the quality is much better compared to unfiltered tap water. Overall, I highly recommend the Waterdrop RF15. It’s simple to use, reliable, and provides great value for money. It’s a must-have for anyone who wants clean, great-tasting water without the hassle.

I like that it was easy to install and that it lasts for a long time. Just had to twist it in and turn on the water and we were ready to go. Helps save a lot on buying bottled water. The water is clear and filtered well.

Works very well. I highly recommend. Takes out Iron in the well water, no aftertaste. Removes what it says it does. It also lasts for 2 or more months, depending on each situation you might have with your water. I have been using this cartridge under my kitchen sink only on the cold side for years now. Love it. I had to add a few valves and some PEX work. I live in a RV. One might want a pro install it, so you can isolate the filter for easy changing of the cartridge. Good water pressure until it has done it's job. Great value.

Great product , works amazing , slim profile. Easy install . Water taste great . Have ordered multiple times .

The unit itself was so easy to install. Two screws in the wall, a couple quick water lines and badaboom you got filtered water. I had an issue with the replacement filter however it was quickly resolved. The customer service was top notch. Frustrating at first, but Kimberly was so nice and really made the situation right. They immediately sent a new replacement filter that worked perfectly. Really have bought into the ecosystem and considering one of their higher end systems now. For the price on this you can’t beat it. Installed 2 units in my house.

I've been using the Waterdrop under-sink system for a while now, and replacing the filter used to be the chore I dreaded, but the RF15 cartridge completely changed that. Honestly, the twist-and-lock design is a lifesaver; I can swap out the old one and click the new one into place in literally seconds—no tools, no mess, no dealing with complex plumbing under the sink. The most important part, of course, is the water quality, and I can immediately tell the difference; the tap water chlorine taste is completely gone, leaving behind water that tastes clean and crisp, which makes me feel a lot better about drinking it and using it for cooking.

Works great and easy to replace.