11 Best Reverse Osmosis Systems

Choice Recommendations

Reverse osmo­sis sys­tems pro­vide a high degree of water purifi­ca­tion, the effi­cien­cy of which reach­es 99%. But since there are dif­fer­ent types of such equip­ment on the mar­ket, peo­ple often have dif­fi­cul­ty choos­ing the right option. Accord­ing to the prin­ci­ple of oper­a­tion, such instal­la­tions are almost iden­ti­cal, and the dif­fer­ences affect only the appear­ance, equip­ment and equip­ment.

Cleaning levels

When choos­ing a reverse osmo­sis sys­tem, spe­cial atten­tion is paid to the stages of purifi­ca­tion. Usu­al­ly 5–7 steps are used. In most cas­es, reverse osmo­sis sta­tions have 5‑level purifi­ca­tion:

  1. At the first stage, the elim­i­na­tion of rust and sus­pend­ed impu­ri­ties is car­ried out.
  2. The sec­ond lev­el involves the dis­so­lu­tion of chlo­rine using a char­coal fil­ter with a gran­u­lar struc­ture.
  3. At the third stage, organ­ic impu­ri­ties and heavy met­al inclu­sions are removed using a block car­tridge.
  4. The fourth stage of purifi­ca­tion is per­formed at the mol­e­c­u­lar lev­el by means of a reverse osmo­sis mem­brane. Only water and dis­solved oxy­gen mol­e­cules pass through its pores. Part of the water flow is dis­charged into the sew­er, and the oth­er part ends up in a reser­voir called per­me­ate.
  5. The last lev­el is to cor­rect the smell and taste of drink­ing liq­uids using a car­bon post-fil­ter. This ele­ment is made of acti­vat­ed car­bon and coconut shell with the addi­tion of sil­ver ions.

Such sys­tems allow you to pre­pare com­plete­ly clean water for culi­nary and oth­er tasks. Addi­tion­al stages are nec­es­sary to sat­u­rate the liq­uid with min­er­als or struc­tur­iza­tion.

Type of mineralizer

After pass­ing through a 5‑stage purifi­ca­tion, the water becomes ready for drink­ing and cook­ing. How­ev­er, drink­ing it raw is not rec­om­mend­ed due to low min­er­al­iza­tion. To get rid of such short­com­ings, man­u­fac­tur­ers use addi­tion­al pro­cess­ing with a min­er­al­iz­er.

Such a com­po­nent is made from nat­ur­al cal­cite and is used to sat­u­rate water with use­ful sub­stances.

Bioceramics or structurizer

Sep­a­rate reverse osmo­sis sys­tems are equipped with an addi­tion­al lev­el of water treat­ment — a bio­ce­ram­ic tour­ma­line car­tridge or a struc­tur­iz­er. This com­po­nent is respon­si­ble for gen­er­at­ing infrared radi­a­tion and an elec­tro­mag­net­ic field to sep­a­rate mol­e­cules into par­ti­cles. After such treat­ment, the struc­ture of the mol­e­cules acquires the cor­rect crys­tal­liza­tion, as in melt water. Such a liq­uid is bet­ter absorbed by the body and has a pos­i­tive effect on the vital activ­i­ty of cells, accel­er­at­ing meta­bol­ic process­es and strength­en­ing the immune sys­tem.

7‑stage fil­ters are con­sid­ered the most effi­cient, as they pro­vide a full range of water enrich­ment. How­ev­er, their cost is quite high, so you can get by with a 5‑stage ana­logue.

Types of reverse osmosis systems

In the tra­di­tion­al ver­sion, the water treat­ment plant is equipped with a 9 or 12 liter tank, which is locat­ed under the sink. The tank accu­mu­lates liq­uid and stores it under pres­sure, solv­ing the prob­lem of insuf­fi­cient per­for­mance of the reverse osmo­sis mem­brane in house­hold equip­ment (5–8 l / h). In addi­tion, such a con­tain­er pro­vides an addi­tion­al sup­ply of drink­ing water in case of prob­lems with water sup­ply.

Such instal­la­tions are con­sid­ered the most afford­able and easy to install. If there are no prob­lems with free space in the house, then such a sys­tem will become indis­pens­able.

In oth­er cas­es, the fol­low­ing types of reverse osmo­sis sta­tions can be select­ed:

  1. Devices of the Com­fort series with bay­o­net car­tridges. They are also equipped with puri­fied water stor­age tanks, but are more com­pact and eas­i­er to main­tain. Replace­ment of car­tridges is made by one click. How­ev­er, due to the use of flask-shaped bay­o­net car­tridges, such sys­tems are more expen­sive than clas­sic ones.
  2. Com­pact sta­tions that are pro­duced in a sin­gle hous­ing with a tank. They are char­ac­ter­ized by com­pact dimen­sions, attrac­tive design and the pos­si­bil­i­ty of instal­la­tion both under the sink and out­side. Often equipped with a dis­play that dis­plays impor­tant data about the oper­a­tion and cur­rent sta­tus of the car­tridges.
  3. High-per­for­mance plants with­out a tank. Able to process up to 1500 liters of water per day and do not require the place­ment of a stor­age tank.

In addi­tion, on sale you can find com­put­er-con­trolled units that are equipped with a dig­i­tal dis­play that shows the cur­rent sta­tus of work and the state of the ele­ments. The elec­tron­ic fill­ing con­stant­ly eval­u­ates the qual­i­ty of water and the degree of wear of the car­tridges, and also indi­cates the need to replace them. In addi­tion, the device has an auto­mat­ic flush­ing of the mem­brane to increase the ser­vice life.

General selection criteria

When choos­ing a reverse osmo­sis sys­tem, you should be guid­ed by the fol­low­ing cri­te­ria:

  1. Num­ber of clean­ing steps.
  2. Com­pli­ance with the dimen­sions of the equip­ment allo­cat­ed for instal­la­tion site.
  3. Per­for­mance para­me­ters and oper­at­ing life of the mem­brane.
  4. The pres­ence of a pump.
  5. The vol­ume of the stor­age tank and the mate­r­i­al of its man­u­fac­ture.
  6. man­u­fac­tur­er’s rep­u­ta­tion.
  7. Addi­tion­al func­tions and fea­tures.
  8. Crane exe­cu­tion.
  9. Flask type.
  10. Avail­abil­i­ty of a guar­an­tee.

11 Best Reverse Osmosis Systems

Con­sid­er the best reverse osmo­sis sys­tems for the prepa­ra­tion of high-qual­i­ty drink­ing water.

Atoll A‑5500mp STD (Cruise)

Rat­ing: 4.9


Atoll A‑5500mp STD (Cruise) is a reli­able and proven house­hold water treat­ment unit that can be used for drink­ing, cook­ing and oth­er needs. With small dimen­sions and high per­for­mance, the sys­tem is suit­able for urban apart­ments with cen­tral­ized water sup­ply.

The equip­ment con­sists of the fol­low­ing com­po­nents:

  1. Mechan­i­cal clean­ing car­tridge capa­ble of remov­ing con­t­a­m­i­nants as small as 5 microns.
  2. Car­bon car­tridge that removes chlo­rine impu­ri­ties, organ­ic inclu­sions and pes­ti­cides.
  3. Mechan­i­cal clean­ing car­tridge for the elim­i­na­tion of par­ti­cles from 1 micron.
  4. Reverse osmo­sis mem­brane that removes the small­est impu­ri­ties rang­ing in size from 0.0001 micron.
  5. Char­coal car­tridge with min­er­al­iza­tion func­tion. Respon­si­ble for adjust­ing the pH (acid­i­ty) of water and increas­ing the con­cen­tra­tion of cal­ci­um and mag­ne­sium ions in the liq­uid, there­by improv­ing its taste.

The deliv­ery set includes the fol­low­ing ele­ments — a fil­ter unit, con­sum­ables that are installed in the sys­tem, a clean water faucet and acces­sories for its instal­la­tion, a pow­er sup­ply, fil­ter tubes, a drainage clamp, a key, a fum tape.

Users are sat­is­fied with the three-stage min­er­al­iza­tion, which results in high-qual­i­ty water with a nor­mal­ized acid-base val­ue.


  • Lacon­ic design in a mod­ern style, allow­ing you to install the sta­tion in a promi­nent place, with­out wor­ry­ing that it will dis­turb the har­mo­ny of the inte­ri­or;
  • The pres­ence of a built-in micro­proces­sor that con­trols each stage and mode of oper­a­tion, and also dis­plays impor­tant infor­ma­tion in the form of icons on the dis­play;
  • Dis­play­ing the cur­rent resource of each fil­ter;
  • Automa­tion of pre­ven­tive wash­ing to increase the ser­vice life;
  • Replace­able expend­ables of the 10SL for­mat.


  • High price;
  • Dif­fi­cul­ties in self-replace­ment of car­tridges.

Prio New Water Praktic Osmos Stream OUD600

Rat­ing: 4.8


Prio Novaya Voda Prak­tic Osmos Stream OUD600 is a direct-flow reverse osmo­sis sta­tion, which is equipped with an advanced poly­mer film mem­brane with quick instal­la­tion / dis­man­tling.

The device has an elec­tron­ic con­trol unit, a pump and an auto­mat­ic mem­brane flush­ing func­tion. Instal­la­tion of an addi­tion­al tank is not pro­vid­ed.

The sys­tem pro­vides uni­ver­sal clean­ing with soft­en­ing and iron removal of water. It also removes scale, con­ducts final clean­ing and min­er­al­iza­tion of the liq­uid.

With the help of this equip­ment, it is pos­si­ble to remove almost all known con­t­a­m­i­nants, harm­ful microor­gan­isms and bac­te­ria from the com­po­si­tion of water. Also, the sys­tem will for­ev­er for­get about the appear­ance of plaque on the walls of house­hold appli­ances due to poor-qual­i­ty water.

Users leave enthu­si­as­tic com­ments about the high per­for­mance of the poly­mer mem­brane, the pres­ence of a com­bined post-fil­ter based on coal con­di­tion­er and min­er­al­iza­tion agents, as well as auto­mat­ic mem­brane flush­ing.


  • Pro­gres­sive tech­ni­cal char­ac­ter­is­tics and capa­bil­i­ties;
  • Effi­cient and fast water treat­ment.;
  • 6‑stage clean­ing;
  • Large mod­ule resource (up to 50 cubic meters of water);
  • Mol­e­c­u­lar water purifi­ca­tion;
  • Ease of main­te­nance and replace­ment of con­sum­ables.


  • High price.

Atoll A‑550m STD 1/2″ reverse osmosis

Rat­ing: 4.

Atoll A-550m STD 1/2" with reverse osmosis

Atoll A‑550m STD 1/2″ is an advanced water treat­ment device that pro­vides 3‑level pre­lim­i­nary purifi­ca­tion and fil­tra­tion of water accord­ing to the prin­ci­ples of reverse osmo­sis, as well as final treat­ment and min­er­al­iza­tion of the liq­uid. The built-in min­er­al­iz­er sat­u­rates the water with the most use­ful microele­ments.

The sys­tem effec­tive­ly removes organ­ic inclu­sions, con­t­a­m­i­nants and salts from the liq­uid com­po­si­tion. It is installed in a free place under the sink (an addi­tion­al tap is pro­vid­ed in the deliv­ery set).

Atoll A‑550m STD 1/2 “sup­ports 5‑stage purifi­ca­tion with effec­tive removal of impu­ri­ties. Among the avail­able water treat­ment prod­ucts are foamed propy­lene and gran­u­lar car­bon fil­ters, as well as reverse osmo­sis mem­branes. As a result of treat­ment, all inclu­sions end up in the sew­er.

Sub­ject to the rules of oper­a­tion and time­ly main­te­nance of the sys­tem, it will be able to work cor­rect­ly for more than 10 years.

The oper­at­ing pres­sure is from 2.8 to 6 atm., And the tem­per­a­ture range at which the sta­tion can oper­ate varies from +4 to +38 degrees Cel­sius.

The own­ers are pleased with the pres­ence of an offi­cial guar­an­tee for one year, as well as a high per­for­mance of 0.08 l / min.


  • Easy instal­la­tion;
  • Effi­cient water treat­ment;
  • Lack of scale;
  • The absence of a third-par­ty taste in water;
  • Ease of upgrade.


  • Hot water incom­pat­i­bil­i­ty;
  • Poor qual­i­ty of hose con­nec­tions;
  • The absence of a trans­par­ent case for a visu­al assess­ment of the cur­rent state of con­sum­ables.

Prio New Water Expert Osmos MO530 with reverse osmosis

Rat­ing: 4.7


Prio New Water Expert Osmos MO530 with reverse osmo­sis is a use­ful unit for use in regions with medi­um and high lev­els of hard­ness salts, heavy met­als and dis­solved iron in the water com­po­si­tion. The sys­tem can be oper­at­ed in areas with poor envi­ron­men­tal con­di­tions (indus­tri­al cen­ters, large set­tle­ments, etc.).

The fac­to­ry pack­age includes a mem­brane and car­tridges, a tap for sup­ply­ing clean water, a stor­age tank and relat­ed acces­sories for self-assem­bly of equip­ment.

Prio New Water Expert Osmos MO530 with reverse osmo­sis is a uni­ver­sal fil­ter that puri­fies tap flu­id from all kinds of mechan­i­cal impu­ri­ties (rust, sand, silt, etc.), dis­solved impu­ri­ties, organochlo­rine com­pounds, pes­ti­cides, fer­til­iz­ers, their decay prod­ucts, etc. .

The main ele­ment of the sys­tem is a high­ly selec­tive poly­mer fiber mem­brane pro­duced by the Japan­ese com­pa­ny Toray Indus­tries Inc.


  • Orig­i­nal Japan­ese-made mem­brane with increased per­for­mance;
  • The pres­ence of a min­er­al­iz­er in the kit;
  • Effi­cient oper­a­tion at low water pres­sure;
  • Fast fill­ing of the tank;
  • Noise­less­ness;
  • Prof­itabil­i­ty;
  • 3 year war­ran­ty.


  • Fair­ly large size.

Aquaphor DWM-101S Morion with reverse osmosis

Rat­ing: 4.7

Aquaphor DWM-101S Morion with reverse osmosis

The Aquaphor DWM-101S Mori­on sys­tem pro­vides pro­fes­sion­al water purifi­ca­tion at home and allows you to refuse to buy pre­mi­um qual­i­ty bot­tled liq­uid. In this case, the com­po­si­tion of the source water does not play any role. The com­plex effec­tive­ly elim­i­nates any harm­ful inclu­sions and con­t­a­m­i­nants, includ­ing bac­te­ria, virus­es and tox­ic com­po­nents. The sta­tion solves the prob­lem of scale on house­hold kitchen and plumb­ing equip­ment.

Unlike tra­di­tion­al sys­tems with a sep­a­rate tank, Aquaphor DWM-101S Mori­on has a dif­fer­ent device. This fil­ter has two times small­er dimen­sions and can func­tion even with insuf­fi­cient pres­sure in the water sup­ply.

Aquaphor DWM-101S Mori­on is an indis­pens­able device for obtain­ing clean water for drink­ing, culi­nary pur­pos­es, prepar­ing baby food and the cor­rect oper­a­tion of home appli­ances. The sys­tem effec­tive­ly removes hard­ness salts and extends the life of the ket­tle, cof­fee machine, mul­ti­cook­er and oth­er devices.


  • Solv­ing prob­lems with clean drink­ing water;
  • Com­pact dimen­sions;
  • Effi­cient fil­tra­tion.


  • Large water con­sump­tion.

BARRIER PROFI Osmo 100 Boost M

Rat­ing: 4.7


BARRIER PROFI Osmo 100 Boost M comes with all con­sum­ables, includ­ing car­tridges for quick instal­la­tion and oper­a­tion. The work­ing life of the sys­tem reach­es 5000 liters.

In the box with the device there are keys for replac­ing car­tridges, a valve for con­nect­ing, gas­kets, fit­tings and clamps.

The sys­tem capac­i­ty is 0.2 l/min and the admis­si­ble clean­ing water tem­per­a­ture is 35 °C.

Instal­la­tion work will require no more than 30 min­utes and can be per­formed with­out the use of addi­tion­al tools.

The sys­tem inter­acts with domes­tic water sup­ply and is suit­able for dai­ly use in domes­tic con­di­tions.

Users point to a sig­nif­i­cant improve­ment in the qual­i­ty of work of such appli­ances as a cof­fee machine, elec­tric ket­tle, dish­wash­er, iron, etc. after using puri­fied water.


  • Good equip­ment;
  • Fast instal­la­tion and easy instal­la­tion of car­tridges;
  • Small dimen­sions;
  • Sep­a­rate faucet avail­able.


  • Some main­te­nance issues.

Geyser Allegro P with reverse osmosis

Rat­ing: 4.7

Geyser Allegro P with reverse osmosis

Geyser Alle­gro P is pro­duced in the form of a stor­age tank made of trans­par­ent plas­tic, has replace­able antibac­te­r­i­al mem­branes, as well as a high-qual­i­ty mechan­i­cal clean­ing car­tridge, which is made of foamed polypropy­lene. There are also two CBC car­tridges (from pressed coconut acti­vat­ed car­bon) in the sys­tem.

The device pro­vides effec­tive elim­i­na­tion of chlo­rine com­pounds and organ­ic impu­ri­ties. Water qual­i­ty improve­ment is car­ried out using a car­bon post­car­tridge.

The device is capa­ble of oper­at­ing at a pres­sure in the line from 3 atm. up to 25 atm., and also with­stands up to 100,000 water ham­mer cycles. All acces­sories for con­nec­tion are pro­vid­ed in the fac­to­ry kit.

Buy­ers are sat­is­fied with the qual­i­ty of this equip­ment and the pres­ence of an offi­cial war­ran­ty with a long peri­od.


  • The ser­vice life declared by the man­u­fac­tur­er is 10 years;
  • Enhanced leak pro­tec­tion.


  • Increased water con­sump­tion;
  • The need to install addi­tion­al safe­ty valves;
  • Noisy work.

Aquaphor OSMO 50 version 5 with reverse osmosis

Rat­ing: 4.7


A five-stage reverse osmo­sis fil­ter pro­vides effec­tive water soft­en­ing and a solu­tion to the prob­lem of its tur­bid­i­ty. For the puri­fied liq­uid, a sep­a­rate tap and a spe­cial tank with a vol­ume of 10 liters are used.

Dur­ing the devel­op­ment phase of the sys­tem, advanced tech­nolo­gies were used that increased the degree of water treat­ment, mak­ing it pos­si­ble to get rid of even small impu­ri­ties, reach­ing a size of 0.0005 microns.

Users respond pos­i­tive­ly to a sig­nif­i­cant improve­ment in water qual­i­ty after treat­ment, as well as to the demo­c­ra­t­ic cost of instal­la­tion.

This sys­tem works with­out pre­lim­i­nary water treat­ment and has an addi­tion­al ele­ment for coarse clean­ing of the liq­uid in order to reduce the over­all load on the mem­brane and oth­er fil­ter com­po­nents.

The oper­at­ing speed reach­es 16 liters per hour, which allows the instal­la­tion to be used both in large fam­i­lies and in offices. It is also indis­pens­able for rooms where there is no pre­lim­i­nary water treat­ment.

Clean­ing and post-clean­ing car­tridges use advanced tech­nolo­gies, which makes Aquaphor OSMO 50 one of the best house­hold fil­ters on the mar­ket.


  • Afford­able price;
  • Five-stage clean­ing;
  • The pres­ence of a con­tain­er for stor­ing puri­fied water;
  • Addi­tion­al crane;
  • High qual­i­ty fil­tra­tion.


  • Rather slow fil­ter­ing pro­ce­dure.

BARRIER PROFI Osmo 100 with reverse osmosis

Rat­ing: 4.7

BARRIER PROFI Osmo 100 with reverse osmosis

The unit allows you to pre­pare high-qual­i­ty drink­ing water, which will not dif­fer from bot­tled water. The replace­able mem­brane has extreme­ly small pores through which only oxy­gen and water mol­e­cules pass. At the same time, all impu­ri­ties are retained, due to which the liq­uid becomes crys­tal clear and becomes safe for con­sump­tion.

The 8‑liter water tank per­forms its direct func­tions, and 5 stages of purifi­ca­tion guar­an­tee the high qual­i­ty of the final prod­uct.

The first lev­el of clean­ing involves the removal of insol­u­ble solids such as rust, sand, scale, etc. with a size of more than 5 microns through a food-grade polypropy­lene cas­sette.

The next stage involves the tech­nol­o­gy “BARRIER PROFI Sorp­tion” for sorp­tion purifi­ca­tion of water from chlo­rine, organochlo­rine and organ­ic par­ti­cles. The cas­sette is made of acti­vat­ed gran­u­lar car­bon and is high­ly effec­tive in remov­ing harm­ful par­ti­cles.

The third lev­el of pro­cess­ing includes an addi­tion­al food-grade propy­lene fil­ter to elim­i­nate par­ti­cles as small as 1 µm.

At the fourth stage, an osmot­ic mem­brane is used, which copes with almost all types of organ­ic and inor­gan­ic con­t­a­m­i­nants.

The last stage involves the intro­duc­tion of a car­bon fil­ter processed by sil­ver­ing, which improves the taste of the fin­ished water.


  • Capa­cious water tank;
  • High qual­i­ty 5‑level clean­ing;
  • Hypoal­ler­genic mate­ri­als;
  • Com­pli­ance with inter­na­tion­al stan­dards and qual­i­ty cer­tifi­cates;
  • Elim­i­na­tion of an unpleas­ant smell of water;
  • Ease of oper­a­tion;
  • Quick instal­la­tion under the sink.


  • The cost is above aver­age.

Prio New Water Start Osmos OU380 with reverse osmosis white

Rat­ing: 4.6

Prio New Water Start Osmos OU380 with reverse osmosis white

With this sys­tem, you can car­ry out pro­fes­sion­al water treat­ment. Rep­re­sen­ta­tives of the com­pa­ny claim the com­plete elim­i­na­tion of mechan­i­cal impu­ri­ties and harm­ful impu­ri­ties that may pose a threat to the body.

The design pro­vides a small capac­i­ty for the accu­mu­la­tion of puri­fied liq­uid. After treat­ment, the smell and taste of water are sig­nif­i­cant­ly improved.

User reviews men­tion the reli­a­bil­i­ty and dura­bil­i­ty of the sys­tem, as well as ease of main­te­nance and replace­ment of con­sum­ables.

The sys­tem is con­nect­ed to the water sup­ply and has a sep­a­rate valve for sup­ply­ing puri­fied water.


  • Low cost;
  • Mono­lith­ic body;
  • Easy and fast instal­la­tion;
  • Com­pact dimen­sions;
  • Sig­nif­i­cant improve­ment in the smell and taste of water;
  • Elim­i­na­tion of up to 99% of impu­ri­ties.


  • Sep­a­rate batch­es of equip­ment have dubi­ous build qual­i­ty.

Geyser Prestige 2 (8 l) with reverse osmosis

Rat­ing: 4.5

Geyser Prestige 2 (8 l) with reverse osmosis

Geyser Pres­tige 2 (8 l) is a house­hold water treat­ment sta­tion that allows you to puri­fy cold water from third-par­ty inclu­sions. This sys­tem car­ries out 3‑stage pro­cess­ing by means of the coal fil­ter. The whole process con­sists of the fol­low­ing steps:

  1. Removal of free chlo­rine.
  2. Extrac­tion of hard­ness salts.
  3. Reverse osmo­sis treat­ment.

Water soft­en­ing by remov­ing excess cal­ci­um and min­er­als.

The ser­vice life of the fac­to­ry car­tridge reach­es 6000 liters of puri­fied liq­uid. The stor­age tank with a capac­i­ty of 3 liters allows you to always have access to clean drink­ing water.

In the user com­ments there are good reviews about the sta­ble and fast oper­a­tion of the sys­tem, as well as the absence of prob­lems dur­ing the entire peri­od of oper­a­tion.

To car­ry out the min­er­al­iza­tion of the liq­uid, it is nec­es­sary to pur­chase a spe­cial min­er­al­iz­er. Such a pur­chase will cost less than the con­stant pur­chase of bot­tled water in the store.


  • Price;
  • Com­pact­ness;
  • Eco­nom­i­cal pow­er con­sump­tion;
  • Dura­bil­i­ty of con­sum­ables;
  • Suf­fi­cient tank capac­i­ty for a fam­i­ly of 3–4 peo­ple.


  • Increased con­sump­tion of cold water.

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Atten­tion! This rat­ing is sub­jec­tive, is not an adver­tise­ment and does not serve as a pur­chase guide. Before buy­ing, you need to con­sult with a spe­cial­ist.







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