iSpring RCC7AK,6 Stage Reverse Osmosis System Review

iSpring RCC7AK is a six-stage state-of-the-art reverse osmosis filtration system that has high performance,advanced features,and reliable quality. With trusted certifications for the manufacturing and satisfactory customer reviews from different channels, iSpring RCC7AK  6 Stage Reverse Osmosis System has been on the market since 2005.

The water it purifies is near perfection with maximum purification ability and re-mineralization capability giving neck-to-neck competition to bottled water. In fact, the water from iSpring RCC7AK can be comparatively available at two cents per bottle which give upper hand to the filtration system.

Using reverse osmosis enhanced with alkaline instills confidence in customers as it is one of the leading technologies that can purify water with up to 99% rejection rate. It can filter more than 1000 pollution including fluoride, chlorine, arsenic, lead, pesticide, fertilizer, drugs, and much more. It also extract any unfavorable taste or odor giving the best quality drinking water.

iSpring RCC7AK,6 Stage Reverse Osmosis System Review

iSpring RCC7AK,6 Stage Reverse Osmosis System is designed to meet the needs of the consumers. After hours of research, testing and analyzing the features, we put iSpring RCC7AK,6 Stage Reverse Osmosis System is a one of the best in our Reverse osmosis system List.

Qualities that take it to the Top

Some of the noteworthy features of the filtration system which make it one of the best OS in the market are discussed below in detail.

Six-stage filtration process

6 Stage Reverse Osmosis SystemFirst stage: It is a 10-inch, 5-micron polypropylene (PP) sediment filter in an outer transparent casing. It removes rust, dirt, and silt that can clog the filtration system and add turbidity to the water.

Second stage: It is a 5-micron Granular Activated Carbon (GAC) filter that removesBTEX, mineral oil, phenol, Poly-Aromatic hydrocarbons (PACs), and halogenated excrement. This reduces horrible taste and odor. It also clears the water by removing the color and cloudiness.

Third stage: It is a 5-micron 10 inch denser Carbon Block (CTO) that can remove any residual taste, odor, and color. It also removes the difficult chemicals such as chloramines. It helps to protect the membrane by increasing pre-filters’ efficiency.

Fourth stage: It involves Thin Film Composite (TFC) membrane for high rejection of contaminants. It is considered as the heart of the Reverse Osmosis system.

Fifth stage: It is another layer of GAC filter that’s a 10 inch, 1-micron Inline Carbon to remove any residual odors and tastes from the water.

Sixth stage: It is a PH filter that produces PH-balanced healthy water with added minerals. A small amount of minerals such as magnesium and calcium (30-60 mg/l) that’s required to add taste to the water is added.


The iSpring RCC7AK 6 Stage Reverse Osmosis System is efficient to produce up to 75 gallons of water per day. The waste ratio of 2:1 is a big improvement compared to the other competitors.

The water flow rate is good enough to fill a glass of water in just two seconds. It has a 3.2 gallon pressurized storage tank. So you will not run out of water often and the time to fill it is also less.

The cartridge set is genuine and lasts longer. It may have to be replaced twice a year even in worst conditions.

Ultimate Installation Support

The iSpring RCC7AK provides an eight-step user manual with detailed instructions and pictures of each part. There is also a video on YoutTube that demonstrates the installation.

The filtration system consists of food grade four colors tubing for easy installation. The automatic shut off valve is pre-installed.

Tank Valve, Drain Saddle, Feed Water Adapter, Two Wrenches, Teflon Tape, 3 spare O-rings, and 2 spare Elbow Fittings are included in the kit. So consumers get all the necessary tool-kit for installing the filtration unit.

Constant Upgradation

Giving importance to complaints from customers, iSpring has worked hard to work on them and fix them. Not many companies take the feedback from customers so seriously.

The faucet has been upgraded to an elegant looking stainless steel finish made of Brushed Nickel and ceramic valve. This new version of faucet replaces the earlier small gooseneck version.

3/8 inch feed water adapter is a single piece and made of metal totally is exposed to cold water shut-off valve instead of the faucet which was hard to reach. The storage tank, Automatic Shut-off Valve, carbon filters, and RO membrane are all improved.


The quality and performance of the system

The iSpring RCC7AK has never disappointed the customers with the performance level, quality, and durability of the filtration system.

Noise-free filtration

The six-stage Reverse osmosis system does not produce irritable noise during filtration. It takes little time to fill a glass of water.

Crystal clear water

The purified water is crystal clear and has a crisp taste. After re-mineralization, it restores all the required minerals, and the quality of the water is equivalent to the bottled water.


The water system is designed to save water as much as possible with lower waste ratio. Also, if you consider the number of plastic bottles instead of using this filtration system at home, you have avoided using a lot of plastic thereby saving the environment.

Easy to assemble

The installation guide through a booklet and a video instruction on YouTube makes it easier to assemble the filtration unit.


The faucets that are given in the filtration system sometimes do not fit the sink holes and may require backing faucets for support.

There are no other features that can be complained about as the iSpring has always made note of the feedback and rectified the issues by upgrading their six-stage Reverse osmosis system.

Following Features

  • Six-stage filtration system with re-mineralization
  • High rejection rate and high-quality purification capacity
  • Paper and video instructions for installation
  • Premium quality design and material that enhances durability

Go For it

There is no reason not to go for it. With so many good things, it is undoubtedly the best choice in this price category. The constant up gradations and improvements have gained customer appreciation. Since they value the customer feedback, it boosts the confidence about their customer relationship and hence the customer satisfaction. The reputation has been built, and the system stands second to none when it comes to quality and durability.

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