Pure Blue H2o. 4 Stage Ro Water Filtration System

Works fine. Installation is well described and went smoothly. I installed in a new sink so got the fixtures all in place before putting the sink in.

Total garbage!!!! Never worked properly!!!!! Wish company would refund my money!!!!!

Very pleased with this unit. Makes water really fast, I like that. The easy cartridge changes will be nice.

I don't like how water leaks from the faucet base by design. You can't mount it under the sink. Taste is good though.

Got this from Costco. Pros: works well, well designed, attractive faucet great quality, reasonable price Cons: not a beginner-level install, read review for install hints, not happy with how faucet mounted for me Model Number: PB-TLRO4H50T This is my second RO (reverse osmosis) system. It replaced a 20-year-old Watts Premier system I bought from Costco. RO makes great water -- it's the same process used by bottled water companies -- but know that it flushes several gallons of water for each gallon you use. That's just the nature of the process. Even for a heavy user, that's peanuts compared to other household uses, but if this idea bothers you, get a multi-stage water filter instead. This product is well designed and works well. Not too hard to install for someone who is handy but not a beginner job either. Allow several hours. Have a bucket and rags handy. There were a few installation issues. One is that the faucet installs using a large slotted washer under the sink. It was just a little too small for the hole in my sink and it bent as I tightened the nut. Could not get it to be secure. I ended up buying a large, thick washer at the hardware store and cutting it to make the slot, replacing the inadequate washer that was included. Most people will not have that problem. Second was the instructions tell you to "Sanitize" then "Pressure Test. Wrong. If all is well, this works fine but when you sanitize, you put bleach in the system. If there is a leak, you will squirt bleachy water around the kitchen. (Ask me how I know!) So -- Pressure Test the system first and once it's ok, THEN detach the hose and use the bleach, the same as you would when replacing filters. This is a considerable improvement over the old Premier and over the newer Premier model Costco carried until about a year ago. Quieter, much easier to change filters, and faucet is smooth and attractive. Uses 3/8" hoses rather than 1/4" so it delivers much more water at higher pressure. Yay! A friend has the newer Premier and it's fine, but the faucet included with the PureBlue unit is much nicer. UPDATE: After using the product for a few months, I decided to up my star rating from 4 to 5. This unit is quiet and works flawlessly. Still a little annoyed by the undersized mounting washer for the faucet but that's not going to be an issue for most people. UPDATE 2 (2016): Still good, two more issues a new owner should know. First: How do you know you need new filters? There is a light on the faucet which turns red. But wait -- does the light turn red because your filters need changing? No!! It turns red because six months have passed. It makes no difference if you use a gallon of water a day or a tenth that, the red light just counts out six months. That's good for the manufacturer, as they love it when you change filters. So if your usage is light, just remove the battery and reinsert it for another six months' count. Second, I have had two instances where water came out of the faucet base while recharging, running out on the back of the sink and thence to my counter. Reason is that the faucet base includes an air gap. Drain water from the RO goes into a chamber and from there runs down into a drain at the bottom of the chamber. If the drain hose is clogged, the water backs up and runs out onto the counter. That's what it's supposed to if there's a drain problem but it's annoying. So keep the drain line clean and make it meet the drain pipe in a vertical section with good flow, so things are not likely to back up. Later: Talked to Pure Blue's tech support. Locating the drain near the garbage disposal / dishwasher connect introduces growth in the tube. They say the instructions say this but my instructions and the ones on the web do not. On page 4, step 2, the third bullet down does state to locate your drilling position above the drain tap, or on the horizontal pipe if you have a double sink, but they did not say not to place it near the disposal. They sent an extension tube and new saddle but no way to join the tube (have to get that yourself). One thing I did -- not their recommendation -- is use a hypodermic to inject some bleach solution in the air vent hole at the base of the faucet, while it we running. Seemed to work well. UPDATE 3 (2019): Still working well but after 30 years of RO, I am no longer a fan of reverse osmosis (RO) filtering systems. The advantage: absolutely pure water. But there are many disadvantages and I would not choose one today. Instead, I would get a simple filter that incorporates activated charcoal. RO systems are expensive and take a lot of space. Installation is not easy. They flush 3-5 gallons of water for every gallon they produce. They make noise as they flush the membrane. A whole set of filters need to be replaced a couple of times a year and a very pricey membrane every five years. (Less often if you use less water.) Now: Do you even need a filter? Not for health reasons if you are on a municipal water system. With only the rarest exceptions, they deliver perfectly healthy water and filtering is unnecessary. The only reason to filter is for taste. A simple activated charcoal filter works very well to remove what matters and delivers water that tastes great. Where I am (Santa Clara, CA), we get a mix of well water and other sources and it tastes so-so. I am not worried about its safety. I suggest two types of filter. A Brita-type carafe works fine and if shuffling pitchers is not too much of an inconvenience, that’s an easy solution. More convenient is a drinking water spigot on your sink, connected to an under-sink filter. I suggest the 3M Filtrete filter <https://www.amazon.com/gp/product/B00910U03W>. Inexpensive, small, and works great. Installation is pretty easy if you are handy; otherwise a simple handyman job. And if you have an icemaker, pretty easy to hook it up so that it is getting filtered water. Replacement filters are just $20, last 6-12 months, and you can replace them yourself in two minutes.

Great system, water has clean taste. Just hear a very quite drip whenever tank is filling.

Does an excellent job. Looking forward to many years of use.

One year after having bought it, it has started to leak.