RCC7AK-BN NSF Certified, 75 GPD, Alkaline 6-Stage Reverse Osmosis System, pH+ Remineralization RO Water Filter System Under Sink Patented Top-Mounted Faucet Design for Easy Installation

I am very satisfied with this system. Installation was simple and the instructions were very clear and easy to follow. The quality of everything with system is also very good, feels very durable and like it will last a very long time. The water coming out of this system seems very clean and tastes great! the water flow from the included faucet is good, faster than what my fridge water dispenser puts out. Overall I'm very satisfied with this purchase! Had a couple questions during and after installation that Robert at support was very helpful and super fast to get back to me. I don't really expect that type of customer support from the majority of companies anymore, but the response time and knowledge and helpfulness were really above what I've come to expect nowadays, very nice to see and made me more confident in the decision to go with this system.

I’ve wanted one of these filters for years now, once I learned a bit about the chlorine, fluoride, and microplastics in my tap water. While my wife and son drink water from our Brita pitcher, I normally would just drink from our kitchen sink where the water isn’t as cold and not as painful for my sensitive teeth. I drink about two pots of coffee a day, take 1/2 gallon of water with me to work each day, and drink probably another 1/2 gallon per day while I’m home. It’s a lot of tap water! When I first discovered these filters, we were renting an apartment, so it didn’t seem worth the effort to install. Once we bought our house, there were a million other things to spend money on first! 2.5 years since we moved in, a solid Black Friday sale coupled with our wedding anniversary finally made this purchase happen. I ordered it at 11:00am this morning, and it was at my door before 2:00pm same day. I ended up installing the filters in my basement, directly underneath the kitchen sink, to save some space. The water tank is under the sink, for now (I may also move that to the basement). Having the filters in the basement made the install a bit slower, having to go up and down the stairs a bunch, but all in all it took me about 2.5 hours to install. I needed a drill to mount the filter rack to the wall, but other than that the only tool I needed was a pair of channel locks. The process was straightforward, and there was no point in time that I was confused as to what my next steps were. The only thing that tripped me up was the reverse osmosis filter itself, but that was only because I didn’t fully seat it in its housing at first. Once I fully popped it in, the housing cap screwed on, no problem The push-to-connect fittings are very easy to work with, and I had no leaks once I brought the system to pressure. There’s even an included auto-stop valve that’s supposed to detect leaks and shut off the water automatically, which is a great peace of mind. The instructions direct you to visually check the install each day for the first two weeks. I’ll be doing that, but knowing that auto-stop is on there still makes me feel much better about things (I’m an electrician, not a plumber lol). Not wanting to use the drain saddle, I ran my drain line directly to the utility sink in my basement. I didn’t plan for it, but being able to physically see water leaving the drain is a convenient way to be able to tell if the system is actively filtering water in the moment, or whether the tank is full The water tastes great, better than the Brita in my opinion. I bought the version that has the Alkaline filter final stage to remineralize the water for taste, and I’m happy with that decision. Highly filtered water often tastes bland, but that’s not the case with this unit. I could fill up a bottle for some fancy spring water with this stuff, and I doubt anyone would notice there’s a difference Product quality seems solid, and the reviews lead me to believe it’ll all hold up for years to come. The faucet is a little wobbly, but I understand it can’t be too tight without risking failure. The flow rate from the faucet is perfectly adequate for a glass of water, too. Not as fast as the tap, but that’s to be expected. Tomorrow it’ll get put to the real test, when I fill up my 1/2 gallon water bottle and brew a pot of coffee. The reservoir tank supposedly holds 2.6gallons though, so I don’t foresee any issues. The rest of the family wakes up hours later, and the tank will no doubt be refilled by that point. On initial startup, the first tankful took about 1.5 hours to fill up. Per the instructions, I then poured that first tank out, presumably to remove any potential manufacturing contaminants. That waiting game for the first good glass of water was probably the hardest part of the whole install I’ve wanted one of these things for years. I finally purchased and installed one today, and I’m incredibly happy with the end result. I wish I did it sooner, but the next best time is today, right? The company seems to stand behind their products in terms of warranty and returns, and at such an attractive price, there’s really not much risk in giving this filter a shot in your home. I think you’ll be as satisfied as I am!

We are extremely happy with this product. We had been struggling to get good drinking water from our new well. The installation video was extremely helpful, loved the QR code. We were able install the product quickly, with no issues. It fit nicely under our kitchen sink. We had great tasting drinking water by the end of the day. It has great water pressure and the speed of the filtration system is adequate.

I installed this in our motorhome. Second RO I've had and it was pretty intuitive. I placed it on our wet bay in case anything were to happen (as with water, it eventually does). I did a splitter so we can access water outside as well. Since we're @ rv parks, I also have a big sediment filter at the hydrant to help preserve my system given water quality varies park to park and is usually hard well water. I also have a household water softener before the RO. After almost a year of flawless performance/taste I still haven't had to change any filters. However, the lead clear filter casing lost it's integrity (formed a crack near and over the threads) and began leaking. I reached out for help and... Nick came to the rescue. He was very professional and responded quickly; sending a replacement housing. I wonder if they've changed housing styles/suppliers as the replacement wasn't a quick switch of the clear canister; I had to replace the head (which came with the replacement canister) as well which took more effort as it required removing the bracket from all the canisters, replacing the head and reassembling but it wasn't difficult - took about 30 min. As always, be gentle with screws going into plastic... (use a hand screwdriver...) Works great again and I look forward to many years of service.

This system is fantastic and so is Sean who I dealt with at the iSpring company! There was a damaged faucet because of the delivery people (probably Amazon), and Sean sent a new one with NO problems and it was very pleasant tone to speak with Sean throughout the process of obtaining a new one. The water gets extremely filtered and the quality is greatly noticed. After the recommended time to change the filters, they are very filthy because it filters the microscopic particles so excellently. Knowing that the quality is good I let my children drink it instead of bottled water - that saves me a lot of money and helps save the environment with less plastic bottles! My 3 young girls have noticeably drink more water than the sweet drinks and I get satisfaction that they are staying better hydrated. The system is very cost effective and we use the water to cook with as well. Our family is very health conscious and we know the quality is safe to drink regularly The taste and odor of the water is much better with iSpring system. It's so easy to use and install that I did it myself under an hour - it fit very easily in my small cabinet below the sink. I highly recommend this system above all the other systems - can't go wrong with iSpring!!

​Why I gave it 4 stars instead of 5 ​“It's a highly effective system that delivers exceptional water purity, backed by stellar overseas tech support—though you may have to navigate some initial technical hurdles and lackluster US-based phone customer service.” ​The Setup & Water Pressure Crucial Facts ​If you are considering this system, pay close attention to your incoming water pressure. ​The Pressure Drop: The system requires at least 45 PSI of incoming pressure. Be aware that you will lose about 6 to 9 PSI just passing through the Stage 1 to Stage 3 pre-filters before the water even reaches the RO membrane. ​The Waste Water Reality: If you cannot maintain the optimal 70–80 PSI, expect a massive amount of waste water. ​Installation: The instructions and installation process are not overly difficult. However, a major tip for success is to read the manual completely from beginning to end before you start assembling anything. Do not over tight the housing units, nothing leaked on my installation. I suggest adding pressure gauges on the tank , between booster pump and RO membrane. ​The Booster Pump & Technical Hiccups: ​To achieve optimal filtration performance, adding a booster pump between Stage 3 and the RO membrane is highly recommended. I paid an extra $100 for a new head configuration with free shipping, which was perfectly reasonable. ​My journey with the pump had a rocky start: ​The First Attempt: The first shipped head/pump assembly was incredibly quiet (you can barely hear it running on a standard 110V outlet), but it suffered from massive pressure spikes well over 100 PSI. This is a major safety hazard for a hose system rated for only 90 PSI. ​The Solution: Out of frustration, I was ready to pack up the entire system and return it. Fortunately, a replacement head and pump assembly was sent out, and the second unit works perfectly. ​Performance & Water Quality (Well Water Test) ​Once dialed in with the working booster pump, the efficiency and filtration capabilities are incredible. ​Efficiency: The system achieves an impressive 1:1 ratio (one gallon of pure water to one gallon of waste water). ​TDS Reduction: My source is heavy well water that already passes through a chlorinator, sulfur aerator, carbon filter, and water softener. The iSpring system stripped the remaining Total Dissolved Solids (TDS) down from a high 870 to an incredibly clean 56. ​Customization Note: The system came with a remineralization filter, but I removed it. If you prefer a crisp, pure water profile without a distinct mineral taste, the system functions perfectly without it. ​Customer Support: A Tale of Two Teams ​This is where the experience gets interesting. The support you get depends entirely on who you talk to. ​The Bad (iSpring US Phone Support): Unhelpful and indifferent. The representatives I spoke with over the phone showed zero interest in answering questions. One agent sounded like he had literally just woken up from a nap, offered no troubleshooting, and simply told me I had to deal with Francis. To make matters worse, they couldn't even provide a phone number for him. ​The Great (Francis - Overseas Tech Sales Support): Francis is the saving grace of this company's support division. Because Francis is based in the Philippines, the time zone difference means a strict 24-hour delay on email replies. However, the quality of service was top-notch, efficient, and ultimately solved my hardware issues with the replacement pump. ​Final Verdict ​Despite a frustrating middle phase with a faulty pump and useless US phone support, I am ultimately very happy with the system's performance. It turns harsh well water into pristine drinking water. Ultimately, a deionization resin filter will completely drop TDS to 1-2! ​Advice to iSpring: You need to seriously revamp your US domestic phone staff and hire more people with the competence and dedication of Francis!

The iSpring RCC7AK 6-Stage Reverse Osmosis System has completely transformed my home’s drinking water. The difference in taste is immediate—clean, crisp, and noticeably better than bottled water. The alkaline remineralization stage really stands out. It brings the water back to a smooth, natural taste instead of the flatness you usually get with standard RO systems. Every glass feels fresh and balanced. Installation was straightforward thanks to the patented top-mounted faucet design and clearly labeled, color-coded tubing. The system is well-designed and feels solid from start to finish. Performance is excellent. It consistently delivers high-quality filtration by removing contaminants like chlorine, lead, fluoride, and dissolved solids while maintaining reliable flow with its 75 GPD capacity. The NSF certification adds extra confidence in its quality and safety. Overall, this system feels like a long-term upgrade rather than just a filter. It delivers premium drinking water every day and easily replaces bottled water entirely. Bottom line: A top-tier reverse osmosis system that delivers clean, great-tasting, mineral-balanced water consistently. Highly recommended.

I live in Myrtle Beach South Carolina where the water contains many undesirable minerals, chemicals, and the taste is rather bitter. I purchased the iSpring RCC7AK 75GPM 6 Stage RO system hoping for a better tasting healthier water alternative. We've not been disappointed to say the least. The system arrived two days after ordering and within a couple of hours after watching the installation video on YouTube I had the system installed. I flushed the filters and the tank has per the manufacturer instructions, and allowed the tank to fill overnight. The next morning, after flushing all the old water and chemicals from our coffee maker we couldn't believe the difference in our morning coffee. Much less bitter and much better tasting. The water coming out of the faucet is noticeably cleaner and more clear than the previous unfiltered water. I opted for the six stage system because I wanted remineralization added to the final product of the filtered water. We couldn't be more pleased with our system. I have not had it long enough to change filter elements, however, as easy as the filters were to install I'm sure the replacement process will be smooth and easy. I highly recommend this system not only for ease of installation and taste of the water but also for the price. I researched long and hard before purchasing The iSpring system and could not find a better system at this affordable price. Also, I want to thank Robert and customer service for assisting me and getting my system registered and the free 3-year warranty offered by the manufacturer. If you're looking for a reverse osmosis water filtering system you cannot go wrong with iSpring.

Compré este filtro sin bomba por error y no funcionaba, pero después de contactar con ispring y hablar con Nick, me enviaron la pieza de repuesto que necesitaba. Excelente atención al cliente.

We’ve been using the iSpring RCC7AK system for a few weeks now, and we are genuinely impressed! The installation went smoothly, and the components feel high quality. Big thanks to Nick from the customer service team — he was extremely helpful and responsive throughout the registration process. One of the most impressive things: we’ve been using filtered water from the system in our glass electric kettle every day for two weeks — and there is absolutely no limescale at all. Not a trace. This alone is a sign of how well the system works. The faucet looks great and works perfectly, and the tank provides more than enough water for our daily use. Highly recommended! Thank you again, Nick — you’re doing a great job!

Ich habe lange nach einer zuverlässigen Umkehrosmoseanlage gesucht, da unser Leitungswasser hier sehr kalkhaltig und „hart“ ist. Gerade wenn man sich intensiver mit dem Thema Wasserqualität und Nährstoffaufnahme beschäftigt, merkt man schnell, wie sinnvoll ein solches System ist – und dieses hier erfüllt genau das, was ich mir erhofft habe. Die Installation war mit etwas handwerklichem Geschick gut machbar, alle Teile waren dabei und verständlich beschrieben. Besonders gefällt mir der zusätzliche Alkaline-Filter, der dem Wasser einen angenehm frischen Geschmack verleiht. Seit der Inbetriebnahme trinke ich deutlich mehr Wasser – einfach, weil es so gut schmeckt und man ein gutes Gefühl dabei hat. Für diesen Preis bekommt man wirklich ein hochwertiges System, das hält, was es verspricht. Absolute Empfehlung für alle, die Wert auf sauberes und gesundes Trinkwasser legen!

For more than 6 years I am happy that I found this system from a reputable brand and did not try to save a bit for cheaper alternatives. Here are my, time tested observations: 1. Installation Very easy to fit. It's fully DIY'able as long as you're able to connect it to the water supply. If you can't - don't worry, as in some cases there might be more complicated connections, where you need additional fittings like in my case, etc. In general - don't worry, no offence by no means as some people never did anything DIY, worry of flooding stuff, don't have tools, etc. it's completely fine. I am just saying that it can be done relatively easily and does not necessarily require a plumber :). But if you try it yourself, you'd be surprised how much you can do, especially with all youtube at your hands - become proud, stop being afraid of your handyman dreams and eventually start a full DIY renovation of your house haha! Joke with real background!) 2. Solid Quality. I've seen and serviced filters before, including at my friends and parents house and this one looks very well made when it comes to pipes, plastic housings, rubber rings, etc. Well, 6+ years so far is not a bad run, isn't it? The only weak point in my case is the filtered water faucet - it's leaking for a while inside the sink, but in fairness it saw so much pulling and twisting by my kids that I don't blame it. 3. Water quality & Taste Water quality was tested several times in the beginning and after filter changes and it is brilliant. Both pH wise and TDS (remember that it's mineralized back so account for it). I am going to tell you a super basic and even silly observation but in 6+ years my kettle was never washed and it looks cleaner and shinier inside than when it was new. No joke. And why I said it's silly, because RO systems filter much more than sediments, but micro stuff like bacteria and some viruses, metals, pfas and much more. Taste - no taste, just brilliantly clean and "tasty" water, hard to describe but in my family's head it's like "what ideal water taste should be". 4. Servicing If you did not install it yourself, trust me servicing (changing the filters) is even easier. You stop the water flow in filter and tank, unscrew using provided key, filter out + filter in, close well and test in the end to make sure no leaks. You can follow youtube too. It is really not hard at all. Filters are always for sale and you can get good deals if you buy like a 1+ years supply. In my experience, at least with Dublin water quality, which is not bad - even first sediment filters live much longer than recommended and when I replace them, they are just slightly coloured. But this depends on the water quality in your area of course. To finish with, a RO system brings amazing value for your money and I highly recommend to get one for long term health benefits, as no other filtration systems clean the water to this level of purity. Drinking and cooking becomes healthier and so do you. This particular one is used by our family every day and I can responsibly recommend it. Hope it helps even a bit & stay well and healthy! Cheers

There is no price on health of you and your family. Great contact with Francis with minor issue regarding leaking tap, next day new one was send to me, no extra costs.