iSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System Review

iSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System Review (hover to zoom) (tap once to zoom, tap left, right, top, bottom to move image, tap outside of image to cancel)
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Product NameiSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System
Removes (% of contaminants)
Removes (% of contaminants)1,000+ water pollutants
Easy InstallationYes
Filter Lifespan6-12 Months
Adds Ionized mineralsYes
Guarantee1 Year
Click here for the latest discounts on the iSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System and read the great customer reviews.

The iSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System is among the top-rated systems in the market with its unequaled durability, safety and quality.

By relying on a variety of technologies (reverse osmosis (RO) filtration, carbon block (CTO), granular activated carbon (GAC), and polypropylene sediment (PP)) it is possible to create the water taste that is identical to bottled water quality.

It has been built to be compact in size to easily fit most of the standard-sized under-sink cabinets, and measures in the region of 16 by 11 inches for the tank and 17.5 by 14.5 by 5.25 inches for the actual system. Plus, this RO system includes a faucet (solid brass and lead-free) to simplify the process of extracting the water. Beyond the filter, there is also options to attach output lines to a coffee maker, ice maker, refrigerator or other for complete versatility and ease in use.

The process of installing the iSpring RCC7 is relatively straightforward and streamlined so the option is there for most homeowners to install with at least competent DIY skills. Plus, there are a few parts that are standard size such as the filters which makes it easier to source the replacement parts.

A 1-year limited warranty, a 1-year money back guarantee, and lifetime technical support is in place for those that choose to invest in this high-quality RO system.

Features You’ll Value

Great RO system, the iSpring RCC7 5-Stage Under-Sink Reverse Osmosis System is a reliable choice for clean and healthy drinking water and includes plenty of useful features. Let’s look at a few of the most promising qualities:

1st Stage Housing

The 1st stage housing on the iSpring RCC7 is transparent to make it possible to instantly notice the contaminants in the water before the sediment filter starts to get to work. Also, the transparent housing makes it easier to know the appropriate time to change the filter before issues start to arise.

Multiple filters

This RO system is built with multiple filters to give the layered protection. The combined action of the CTO and GAC filter is much more efficient at capturing the large contaminants, while smaller particles are easily blocked by the CTO carbon filter. By using this dual method, the system has the ability to last longer and run at is maximum efficiency. Plus, there is a lot less stress placed on the RO membrane and CTO filter.

The iSpring RCC7 filters 1,000+ pollutants and up to 99% of contaminants, including PFOS, PFOA, THMs, sulfur, pathogens, pesticides, arsenic, lead, fluoride and chlorine.

Quick fitting connections

The iSpring RCC7 5-Stage Under-Sink Reverse Osmosis System is built to be quick and easy to install. The system includes color coordinated tubes and push connection fittings to make this a practical choice for the DIY installation. Plus, there is easy access to installation videos and customer support can also give guidance on any installation issues.

The solid construction of this RO system has helped it achieve the Water Quality Association (WQA) Gold Seal for its ability to provide long-term durability, safety and quality.

European styled faucet

For ease in pouring the filtered water, this RO system comes with a European styled faucet that has a durable ceramic valve and a smooth quarter-turn handle. This stylish addition to the setup helps to make a nice touch and provides an elegant feature for the modern kitchen area.

Dimensions and weight

The iSpring RCC7 RO system is sized in the region of 14.5 by 5.2 by 17.5 inches to make it compact enough to fit in the cabinet under most kitchen sinks. Plus, the weight of the system is approx 25 pounds.

In addition, the iSpring RCC7 5-Stage Under-Sink Reverse Osmosis System also comes with Lifetime technical support, a 1 year manufacturer warranty and a 1 year money-back guarantee.

What Consumers Say

If you want to find out what other customers are saying about the quality of the iSpring RCC7 5-Stage Under-Sink Reverse Osmosis System, why not take a look at these pros and cons sourced from real consumer feedback:


  • Ready to install out of the box with plenty of quality fittings, extra parts and more options (no need for a trip to the hardware store)
  • Solid and well built for the canisters, filters and housing. This RO system looks like it will give long-term support and service
  • Convenient quick connect fittings help to speed up the installation process
  • Water tank is quite large and has the capacity to hold a decent amount of water which is certain to be appreciated by the large families
  • The stylish faucet looks great, is installed easily, and feels sturdy
  • Replacement filters are standard and easily sourced on most popular sites and relatively inexpensive
  • Great value for the money


  • The entire RO system is quite spacious, so there might be issues with installing in the space limited kitchens
  • Extra care is needed with the membrane installation to avoid leaks
  • The valve for the tank is plastic – a valve in metal would be more valuable and lower the risk of leaks


Very easy to install, the iSpring RCC7 5-stage under-sink RO system has the ability to deliver the constant supply of fine tasting water. Beyond the ability to provide the readily available supply of drinking water for the entire family to enjoy, this RO system also produces water for tea and coffee to really improve on the taste.

This system is relatively easy to install, but if you do come across any complications throughout the installation process, the customer service team at iSpring are very helpful and nice. The installation setup is quite versatile with the option to install the system under kitchen sink or even in the basement if space is limited upstairs.

For the families that live in an area where the water is less than appetizing, the iSpring RCC7 RO system is a quick and easy solution to deliver a constant supply of fresh drinking water in the home. Plus, it is useful for other drinks such as tea and coffee, to use for ice cubes, and food preparation. The feedback and reviews speak for themselves and show the people looking for the best reverse osmosis system, consider this one as their first choice.

Click here for the latest discounts on the iSpring RCC7 5-Stage Under-Sink Reverse Osmosis Water Filter System and read the great customer reviews.

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