Waterdrop D6 Reverse Osmosis Water Filter, 600 GPD Under Sink Reverse Osmosis System, Reduce PFAS, 2:1 Pure to Drain, Tankless RO Water Filter System, Smart LED Faucet, Easy Installation

Know what you’re getting into.
If you know what you’re getting into, this is a great product. There are a lot of tradeoffs compared to a traditional reverse osmosis system.What this excels at:- Limited space. This is much smaller than traditional reverse osmosis systems with the 5 gallon tank.- Ease of maintenance. Changing filters couldn’t be simpler. Installation is very easy.The tradeoffs:- Sloooooooow. Takes about 20 seconds to fill up a glass of water.- Takes about 60 seconds to begin dispensing purified water. This also makes it wasteful as it will be dispensing water the whole time.- More expensive than traditional systems and filters.- Uses electricity. You’ll need to have an outlet nearby.- Must use the included faucet. It’s not ugly or anything, but it may not match your current fixtures.I get around the slow speed by filling up a 2 gallon container (takes 5 minutes exactly) and leaving it in my fridge.Overall, the water tastes very good, maintenance is very easy, and it takes up a very small amount of space, which is the main reason I purchased this. If your situation is the same, then I recommend this. If you have the extra space and don’t mind less convenient filter changes, I recommend getting a traditional system. Not having a tank of purified water on demand is the biggest drawback of this system, but is easy enough to work around for me, and worth the space saved in my small kitchen.

Overall Good Product
I have never had an RO system before so its possible that some of this is common knowledge or common for RO systems in general but I wanted to share my overall newbie experience in case it helps someone like me.This RO system seems to work fairly well so far. A couple things I’ve noticed:1. It is pretty simple to install. The link to their YouTube video was the most helpful. The only thing that I really had an “issue” with is that the water line from my faucet was just a hair too thick so it wouldn’t easily connect to the feed water adapter. I wasn’t planning on writing a review so I didn’t take pictures. Regardless, I just took a knife and scraped off some of the extra plastic on the line coming from the faucet and pressed hard and finally got it. After that it was a breeze.2. You will have to drill a hole into you drainpipe. It is super easy to do but just be aware that you’ll have to do some drilling. (If you have little to no plumbing experience, don’t be scared, PVC pipes are pretty easy and cheap to replace in the unlikely event that you’ll need to replace a mistake during this installation. If you drill slowly, you’ll be fine.)3. Before installing the RO system I had an outlet with space for two plugs. Both of them were already being used; one plug was for the dishwasher and the other was for the garbage disposal. If your setup is like mine, keep that in mind because you will have to plug this unit in under the sink. I ended up unplugging my dishwasher since we only really use it to dry dishes but I’ll have to come up with a more permanent solution soon.4. As far as the operation, I’m pleased. The manual says it may take up to three seconds for water to start flowing. I haven’t noticed that but there is a tiny delay. The biggest thing is that it does take awhile for the TDS count to “bottom out” I put it in quotes because it wont be zero but it will be significantly reduced. For example, before running through this RO system, the TDS count was just above 400ppm. This system reduced it to about 25ppm. Because it reduced it so much, I’m ok waiting. I will usually just fill up a large water bottle so I don’t have to keep going back to the faucet. As you can see in the video, It took almost a full minute to get down to the 25 ppm range. I turned off the faucet then turned it back on right away and it took about 2-3 seconds. I turned it off and came back about 15 minutes later and it took about 45 seconds to get down to the 25 ppm range. Considering the waste water to filtered water is a little higher for this unit than other ones I’ve seen, its a little annoying to have to waste 45-60 seconds of water (32-ish oz) before you get to the lower ppm range. All things considered, though, being that the filtered water I have been drinking from the fridge comes in around 270, I don’t mind waiting for good clean water. The solution for me was to invest in some large water bottles and fill them all up at the same time. It saves a few trips to the kitchen that way too.5. Finally, it is really quiet which is nice. Its sound is mostly masked by the sound of the running water coming out.