Top 10 Best Reverse Osmosis Water Filters In 2021
As freshwater sources reduce every day, it's better to be on the safe side of owning at least one reverse osmosis water filter system in your home. One may wonder how they work to purify water and make it safe for drinking.
The technology used is the reverse osmosis membrane, which, simply put, removes up to 99% of impurities and raises the PH of the water slightly. While some may argue that the level of acidity in the filtred water makes it unsafe for consumption, the experts say otherwise.
We made a list of ten of the best reverse osmosis water filters in the market and reviewed them according to the service they offer, their prices and durability. Let's take a quick look at them.
Our Top Picks
10. Simpure Reverse Osmosis Filter Replacement
This Simpure replacement model comes as individually packed premium capacity water filter cartridges. Its advantage over most reverse osmosis water filter replacement models is its wide range of compatibility. It can fit almost all 10″ regular under-sink reverse osmosis water systems perfectly, making this replacement model unmatched.
Moreover, it is compatible with most under the counter 5 and 6 stage reverse osmosis systems. Quality is assured along with the Simpure reverse osmosis filter replacement since it meets the NSF/ANSI 58 standards. It has been tested and proven to eliminate chemicals, toxic metals like lead, rust and foul odors.
It comes as a complete package of everything you’ll need to make it work. Also, a lifetime technical support guarantee from the manufacturer and a thirty-day money-back guarantee in case you’re unsatisfied with its service. To avoid water leakage, properly install the system by following the package’s fifth picture’s instruction manual.
9. Membrane Solutions 75 GPD Reverse Osmosis Filter Replacement
This standard reverse osmosis water filter system is designed as a universal fit for most regular size under the sink 5 and 6 stage systems. It’s a 10-inch cartridge compatible with a variety of water filtration systems universally for your convenience.
With an exceptional adsorption rate of 5 microns, this 75 GPD 5 stage water filter replacement system can eliminate up to 99% of water impurities effectively providing safe to drink water.
Apart from that, it offers crisp freshwater with a great taste. An added advantage is its ease of installation thanks to the included ¼ inch JG fast connections on either end. The filters are wrapped individually to ensure hygiene and quick change.
Built with food-grade material, this NSF42 certified filtration system guarantees safe drinking water. The package includes five high-capacity cartridges, a sediment filter, a granular activated carbon filter, a carbon block filter, a reverse osmosis membrane and an inline carbon filter.
8. APEC Water Systems ROES-PH5 Essence Series
Providing up to 75 gallons of clean water per day, this APEC Water Systems ROES-PH5 model weighs 27 gallons and uses the reverse osmosis method of purification. It is designed and assembled in the US to ensure clean, safe to drink water that is not harmful to your health.
This is achieved by eliminating 99% of Impurities such as toxic metals, odor and a long list of other contaminants. With a maximum total dissolved solid of 200ppm and a feed water pressure of 40-85 psi, this water filtration system is like no other in the market.
The premium cartridge system applies food-grade calcium to improve the waters PH level to a safe level while adding needed minerals. Freshwater with a great natural taste and healthy minerals is what you get with this high-grade affordable model. WQA certified you’re guaranteed durability thanks to the long-lasting filters used in the water treatment.
7. APEC Water Systems FILTER-SET-ES Replacement Pre-Filter Set
Made entirely of polypropylene and other harmless materials, these filter cartridges by APEC Water Systems Filter-Set-ES model weighs only 2 pounds. It is compatible with a lot of APEC water filtration systems, including ROES-50 and ROES-PHUV75.
It comes as a complete package necessary for proper functioning. This includes one sediment and two carbon block filters to ensure the reverse osmosis system’s safety and durability. This gadget is designed to go through three stages of water purification.
The first stage utilizes five-micron polypropylene sediment filters to eliminate impurities like dust, rust and other small particles. The second and third stages each have ten-micron extruded carbon block filters to eliminate chlorine, strange tastes and odor. The package includes standard size filters compatible with all regular sized under sink reverse osmosis systems.
6. iSpring F7-GAC Reverse Osmosis Water Filter
This replacement supply filter cartridge pack set from iSpring comes as a complete package that is easy to install and use. The individually sealed cartridges serve for at least a year providing safe drinking water throughout. It fits most regular five-stage reverse osmosis systems with ease. You get to experience unlimited pure drinking water every day with this replacement package.
Now you can pride yourself on having clear ice cubes, better tasting tea and coffee and healthier drinking water for your family and friends. The package includes seven pieces of 10 x 2.5 inches replacement cartridges, two pieces of sediment filters, two granular activated carbon filters, two carbon block filters and a post-carbon filter. However, this set does not come with a reverse osmosis membrane.
With this entire set, you’re sure to get an unlimited supply of crystal-clear safe water all year round. The included post carbon filter is FT15 certified and is made with a safe push-fit quick connection design to allow for effortless replacement. If you need to consult, the package comes with a detailed user manual for your convenience.
5. Whirlpool WHER25 Reverse Osmosis (RO) Filtration System
The Whirlpool reverse osmosis filtration system WHER25 model is available at an affordable price to bring you freshwater better than bottled water while saving you money. At your convenience, you get an unlimited supply of water made fresh and safe for drinking by the reverse osmosis technology.
The system purifies water by reducing the chlorine odor and taste and eliminating harmful chemicals, heavy metals and dissolved solids common in untreated tap and well water. It comes with advanced technology for an easy time changing the filter without any hassle.
The technology also allows for a leak-proof fitting of the filters. The 3-stage system is as thorough as any top quality 6 stage system. It also makes the filters last longer; thus, you’ll use fewer filters in the long run. The reverse osmosis membrane and the long-life filters will have you supplied with fresh and safe drinking water for years.
4. APEC Water Systems ROES-50 Reverse Osmosis Water Filter
As is customary with the APEC Water Systems, the ROES-50 reverse osmosis water filter system is designed unique and extraordinary. It is engineered and assembled in the USA, which is a guarantee of safety and endurance.
It possesses advanced technology to eliminate up to 99% of impurities such as toxic metals, bad tastes, odor and several other contaminants. This model is unmatched in its functioning, with a maximum total dissolved solid count of 200ppm and a 40-85 psi feed water pressure.
The WQA certified system guarantees durable filters with a heavy-duty ability to treat tap water and well water. The filter system uses reverse osmosis to provide an unlimited supply of clean, fresh water that tastes good and safe. The service it provides is not only exceptional but also noise and trouble-free.
This model proves to be a dependable source of pure drinking water because it also comes with a toxic-free designer faucet. Its tubing is a certified JG food grade to ensure you get safe and uncontaminated drinking water.
3. iSpring RCC7AK Reverse Osmosis Water Filter
The iSpring RCC7AK reverse osmosis water filter comes in white and weighs 20 pounds. NSF and ANSI 58 certified for a guarantee against leaks, pressure and cycle resistance, ensuring premium performance standards.
It uses a 6-stage filtration and remineralization process to restore the alkalinity and mineral balance of pure water. It removes impurities like heavy metals, chlorine, asbestos, sodium to provide clean water, safe for drinking, free of over 99% contaminants.
The added sixth stage brings the advantage of softened water. Unlike other filters with only five stages that remove some helpful minerals leaving slightly acidic water, this model acts as an alkaline remineralization system. The reverse osmosis water filter package includes a kitchen faucet made of non-toxic material and several stages of point-by-point filtration to ensure you get great-tasting safe water.
2. APEC Water Systems RO-90 Ultimate Series Reverse Osmosis Water Filter
If what you seek is efficiency met by simplicity, the APEC Water Systems RO-90 ultimate series reverse osmosis water filter is for you. Saving you from thousands worth of bottled water, this filtration system lets you enjoy clean, fresh water at home.
The RO-90 model is designed and put together in the US to guarantee durability above the other models and safety. It capably eliminates up to 99% of impurities, including a long list of harmful heavy metals, viruses and bacteria commonly found in tap and well water.
The APEC Water Systems RO-90 model comes with premium capacity filters that deliver up to 2x contaminant elimination with fewer changes than other models. It is equipped with 100% lead-free faucet and JG food grade tubing to provide safety and clean water. It also comes with a top-notch JG Quick Connection fitting for a reassuring and straightforward leak-seal.
1. APEC Water Systems ROES-PHUV75 75 GPD Water Filter System
Designed in the USA, the APEC Water Systems ROES-PHUV75 GPD water filter system guarantees supreme quality, water safety and health. It virtually eliminates up to 99% of impurities, including a long list of heavy and toxic metals and other contaminants.
This high-quality water filter system uses premium long long-lasting material to make the filters. The result of using this water filter system on tap or well water is crisp fresh water. On top of freshwater, you also get clean water safe for drinking.
The water filtration system destroys germs and bacteria in the water that cause typhoid and other life-threatening diseases. Furthermore, the reverse osmosis uses food-grade non-toxic calcium to make the water-friendly for consumption by raising its PH safely and effectively while adding necessary minerals.
To pick the best reverse osmosis water filter, you’ll have to consider a few factors, including your water source, water pressure, water waste, and the system’s maintenance cost. If we were to choose two from the ten above list, we would go with the APEC Water System ROES-PHUV75 and the RO-90 ultimate series for their competence and durability.
Apart from the fact that APEC has been in water treatment for a long time, the two models produce a large amount of fresh water daily without constantly changing the filter. We hope our review was helpful in your search for a reverse osmosis water filter.