Once they were back in stock I was able to finally order replacement filters. This pack has everything you need. They were easy to replace and so far are working great.

Easy enough to install but I wish the manual mentioned that the filter inlet and outlet are 1" NPT.

Work's Great so Far Thank you.

Great system, easy install and no problems.

Works great. Had some challenges with the waste running constantly but that cured itself.
Water taste great, in fact, it tastes better than the bottled I've been buying.
No more buying ice and no more buying bottled water!!!

I love that NuAqua has sent me a free set of replacement filters. So far, I am enjoy having my NuAqua system and don't have to worry about not having clean water. My water supply comes from a water catchment system of rain water off of my roof. I'm starting with almost pure water to begin with but it is always a good idea to have my water filtered.

The under the sink filter was easy enough to set up (after watching a YouTube video). The replacement filters were super easy to change out. Love the taste of the water- such a difference!

EASY TO INSTALL, I HOOKED IT UP TO MY REFRIGERATOR AND IT WORKS GREAT

I finally finished our upgrade to our water system and installed this amazing filter system, so superior to our older system with pressures storage tank and hard to replace filters. The NU Aqua Efficiency Series Tankless 600GPD Reverse Osmosis System produces 3x-4x the amount of water in minutes compared to the older one.
Recommend this highly

Thoroughly enjoying the new system and great tasting water that flows. Replaced a similar but much older filter. I can tell the difference! Easy to install. No issues at all. I do highly recommend this product!

The filter came in defective and they quickly sent me a replacement free of charge. I purchased this filter kit because it can last up to a year and the replacement filters are not expensive like most water filters.

Having clean water on tap is better than sliced bread.

Bought a new nu aqua filter system and after reviewing they sent me a free set of filters you cant beat this

Very pleased with the purchase of the NU Aquq 600GPD Tankless RO. The water flow is ample and the taste is very good. Easy to install.

Easy to install. Step by step instructions with color pictures. The only thing missing is the option to connect the drain saddle to a single sink with food disposer and I had to improvise by running the tube to a drain in my basement.