Best Reverse Osmosis System Reviews – RO Filters Guide

Everyone loves the taste of fresh, purified water, but not many people know which water purification system to choose. One option is using a reverse osmosis (RO) water system. In layman’s terms, reverse osmosis utilizes a semipermeable membrane to remove things such as harmful or taste-altering ions, molecules, and/or sediment such as rust or calcium.

Reverse osmosis systems can include one or two sediment filters, a reverse osmosis filter, a carbon filter, and, in some models, an ultraviolet light to kill microbes. However, there are many systems that claim to be the best RO system on the market, and we’ve put together a list of some of the best reverse osmosis water filter reviews that we could find to help you make an informed buying decision.


Home Master Artesian Full-Contact Under-Sink Reverse Osmosis Water Filter System

Home Master Artesian Full-Contact Under-Sink Reverse Osmosis Water Filter System

This RO system provides its users with crisp, pure, and delicious mineral water, using seven stages of filtration and enhancement to remove up to 98 percent of contaminants. It not only removes harmful minerals and particles but actually adds beneficial calcium and magnesium minerals to the water during the purification process.

It features a built-in, non-electric permeate pump to reduce water waste by up to 80 percent, helping both your bank account and the environment. The long-lasting water filter only needs changed once per year or every 2,000 gallons and requires no tools to do so, making it one of the most convenient, efficient, and best reverse osmosis systems on the market.


iSpring 5-Stage Residential Under-Sink Reverse Osmosis Water Filter System

iSpring RCC7 WQA Gold Seal Certified 5-Stage Reverse Osmosis Drinking Water Filter System

This reverse osmosis system review features a system that has earned the Water Quality Association gold seal, and you’re about to see why. This best RO water system uses five stages to filter out up to 99 percent of contaminants and pollutants, including dangerous chemicals like arsenic and pesticides.

Not only does it provide you with bottled-quality water, but it’s also compact enough to fit under most under-sink cabinets. This small but powerful system has a rating of 75 gallons per day, so you’re sure to have fresh water whenever you need it.

To top it off, this system also comes with a beautiful brushed-nickel, lead-free, solid brass faucet, making it one of the best systems on the market.


APEC Top-Tier Ultra-Safe Built-In USA Reverse Osmosis Drinking Water Filter System

APEC Essence Ultra Safe Reverse Osmosis Drinking Water Filter System

If you’re not looking to spend a ton of money on an RO system, pay attention to this reverse osmosis review. This water filter system is built in America and is one of the most affordable RO systems out there, but it’s low price doesn’t mean it underperforms.

In fact, this filter system removes up to 99 percent of contaminants such as arsenic, lead, and even bacteria and viruses. This system also features quick-connect fittings, eliminating the need to use lock clips or seal leaks, and if you do run into problems, the company’s water specialists are there to offer technical support for the lifetime of the system.

The virtually noise-free filtering process and long-lasting filters make this one-of-a-kind a great option for a household on a budget.


Express Water 5-Stage Home Drinking Reverse Osmosis System

Express Water RO5DX 5 Stage Home Drinking Reverse Osmosis System

Equally as affordable as the previous RO water filter system, the Express Water 5-Stage Home Drinking Reverse Osmosis System uses a five-stage process to filter out up to 99 percent of contaminants from your drinking water.

The various steps in the filtration process remove large particles like dirt and rust, chlorine, odors, chemicals, and bacteria to turn your contaminated well or tap water into drinking water that tastes like it’s fresh out of a bottle.

The best part is that it includes easy-to-install instructions, so you don’t need to call in a water specialist or plumber to help install your new RO system.


Portable Reverse Osmosis Water Filtration System

0PPM Portable 50 GPD Reverse Osmosis RO+DI Filtration POQ-4B-50

If you need pure drinking water on the go, you’ll want to look into this portable RO water filtration system. This system is small enough to put on the countertop, in the sink, or anywhere you need pure water.

All you need to do is hook it up to a water source and turn on the valves, and you have great-tasting, purified water anywhere you go. This system is perfect for RVs, apartments, mobile homes, large boats, and even while on vacation or traveling.

It removes 99 percent of contaminants, including bacteria, nitrate, cyanide, phosphates, and lead, so you can feel safe drinking the local tap water no matter where you are!

Conclusion​


It can be scary when you don’t know if the water you’re drinking contains dangerous chemicals, minerals, or germs, so it’s important to have an excellent-quality reverse osmosis water filtration system installed just in case. These best reverse osmosis system reviews all provide you with clean, pure, and, most importantly, safe water.

The first product is great for the environmentally conscious consumer as it wastes less water than traditional RO systems.

The second is one of the only water systems on the market to earn the Water Quality Association gold seal and is compact enough to fit under most under-sink cabinets.

The third product is made in American with high-quality quick-connect fittings to make setup a breeze.

The fourth RO water system includes easy-to-install instructions, making it one of the most do-it-yourself-friendly systems on the market.

Finally, the last RO water filter review is the only one on the list that you can take with you wherever you go, so you don’t need to buy bottled water whenever you travel or go on vacation.