Ecoviva Mate 4 Countertop Reverse Osmosis Water Filter System with UV, BPA Free, 7-Stage Filter, Pure to Drain 3:1, Instant-Hot, Indoor No Installation, Meet NSF/ANSI 58 Desktop Water Purifier

I have owned several brands of countertop Reverse Osmosis machines over the last few years, but none has been as easy to use as this one. It was easy to bring online, meaning flushing the system 6-8 times before its first time use. Assembly was as straightforward as removing the packing tape, filling the reservoir with water, and plugging it in. It dispenses three different preset volumes of great tasting water. It also quickly dispenses 4 different temperatures of water to include room temperature, 115 degrees, 185 degrees, and 212 degrees. That functionality of providing different water temperatures is perfect for baby formula, coffee, tea, or oatmeal. The 6-stage filter with the UV light provide 7 stages of water purification. I also love that it is designed with a built In TDS Meter that is easy to read. Also with a 3:1 pure-to-drain ratio, it’s 1200% more efficient than traditional RO systems. There is only one filter to change and that can be accomplished in seconds and even provides a tool to use for removing and replacing the filter. It also indicates when the filter is reaching the end of its life which gives you a chance to order a new filter that is available on Amazon. The functionality, price point, filter availability, temperatures dispensed, pure to drain ratio, and great tasting water make this the best RO machine I have owned. I highly recommend it.

I purchased the Ecoviva MATE4 Countertop Reverse Osmosis Water Filter System in April 2025, and I couldn’t be happier with it. The water tastes clean and refreshing (I could not stand the taste of the water from our new LG fridge), the design is sleek, and I love the convenience of choosing different temperatures and water amounts at the touch of a button. On top of that, the customer service has been exceptional—highly professional and quick to resolve an issue I had with the filter. I had many questions regarding the device, and the company always responded within 12 hours at the latest. I would definitely recommend this product to anyone looking for a reliable and stylish countertop water filter system.

The Eco Viva reverse osmosis was easy to set up but some of the instructions are not to clear, and I had to resort to youtube videos to learn how to use the machine. When I first set it up I heard the machine makes some noise, but it didn’t want to go to the ready position. I realized that I did not push the water bin down enough and lock into place. It took me approximately six rounds to clear the water. After that, the water came out very clear, and tasted better than bottled water. The water flow is OK. But it could be better. Also, one feature. I don’t like is that the writing on the touch pad is small and not so visible. The Manufacturer should’ve make the fonts bigger and bolder to read. The following morning I woke up the machine went on E2 mode which is Maintenance mode and I cannot get it to work. The push buttons were not responsive and I had to unplug the machine and plug it back again to make it work. The heating element works fine. I made coffee on my French press. Overall, I would give it five star But because of the trouble I went through to get it to work, I feel it only deserves four stars.

Very nice countertop filter machine for cold (normal Temp) and hot water filter water for tea and coffee. Good thing is worm water ready for baby food and formula. So far so good and water quality is cool with 11-18ppm. Nice development in the filtrations and material good quality. Design is also great and ease to use without any extra hassle and assembly. Ready to use from out of the box. In my opinion water flow should be little faster but overall I like the product!!

Water was really good but it was leaking water from the bottom. Had to return it.

I just had this Ecoviva MATE4 Reverse Osmosis Countertop unit ordered from Amazon and received this the very next day. Very impressed with the great packaging also, as this was double boxed for best protection. We have had several Reverse Osmosis systems in the past but this one, right out of the box, is getting only 2 tds! Our water from the municipal water was 185 tds, now it is only 2 tds!! The water quality is perfect, with no taste at all, just pure water! Also this runs so quiet you can barely hear the reverse osmosis running. My wife and our son also love this also, as the hot water option has instant hot water. This unit is perfect for a home, motorhome, or any place you need to have pure water. This is very compact and takes very little space. Highly recommend this Ecoviva Mate4 UV Countertop Reverse Osmosis to everyone! You will love this!! This company makes the best quality water technology for sure. This is the best value for the money, and best ease of use. Very glad we purchased this.

Works great! I’ve had this a few days now and it’s already become a go to appliance. It was very simple to set up and takes up a very small footprint on our counter (see image). We simply do not have the under the sink space for a more involved system, and did not want to go through all of the set up. This was a perfect solution for us. Water tastes great and gives me peace of mind, knowing I’m not drinking such hard water. Our water tested at 104 TDS (using a separate tester) and this keeps the water at or below 10. Ecoviva customer support has also been outstanding, as I had a couple of questions. Highly recommend this product and I can see it being a staple in our home for years to come.

The product is very easy to use, I love that there’s different water temperatures. The water does flow out a bit slow but I don’t mind as I fill a pitcher with alkaline to add in some minerals and put it in the fridge. The water taste fine and I can use the boiling water for cup noodles and such. Will definitely recommend!

Great water filter