Olympia Water Systems OROS-50 RO Water Filtration System Review

Olympia OROS-50 is one of the best RO water filters designed and manufactured in the USA. It is an NSF certified product that removes various pollutants from your incoming water. It is easy to install and maintain and available at an affordable price.

  • Water Filter Type: 5-Stages Under Sink
  • Efficiency: Removes more than 100 impurities
  • Best for: Chlorine, bad taste, odor, rust, and sand

More features: It consists of an advanced filtration system made of carbon. This water pitcher removes hundreds of water contaminants.

Olympia RO water filter for whole house



Type of Filter: Olympia OROS-50 is the RO under sink water filtration system that works with both well and tap water.

NSF Certification: The whole filtration system is NSF (National Sanitation Foundation) tested and certified. It meets both the NSF/ANSI 42 and NSF/ANSI 58 standards to provide contaminant-free water.

System Size: It is designed to fit inside most of the under sink cabinets. The filtration portion of this system measures 16” x 7” x 20”, where 16-inch is its width, 7-inch is the depth, and 20-inch is its height.

Filtration Stages: Five stages of filtration provide clean and high-quality drinking water.

Extraction of Impurities: Olympia OROS-50 is NSF/ANSI 42 certified for the reduction of chlorine, taste, and odor. Also, it is NSF/ANSI 58 certified for reducing TDS (Total Dissolved Solids).

Total Dissolved Solids refer to any metals, minerals, and salts dissolved in water.

The first stage has a 5-micron PP sediment filter that removes rust, sand, and dust particles. The second and third stages feature 5-micron coconut shell carbon filters that reduce chlorine, taste, and odor along with pesticides, insecticides, and volatile organic carbon compounds.

The fourth stage of filtration is equipped with a 0.0001 micron RO membrane that removes various leftover impurities from water. These include copper, fluoride, arsenic, barium, lead, turbidity, and more.

The last stage has a post-carbon filter that removes any possible chlorine, taste, and odor.

Filtration Capacity: The reverse osmosis membrane can filter up to 50 gallons of water per day.

Operating Pressure: 50psi to 100psi is its operating pressure.

Feed Water Temperature: Feedwater pressure ranges from 50F to 100F.

Drain vs. Drinking Water Ratio: The ratio of drain vs. drinking water is 4:1. It means the system wastes four gallons of water to give a gallon of pure and clean drinking water.

Automatic Shutoff Valve: There is also an automatic shutoff valve that turns off water production when the tank gets full.

Quick Connect Fittings: Color-coordinated quick connect fitting caps make installation quite easier. All you need is to read the given step-by-step instructions carefully. These instructions are well supported by color photographs to make installation hassle-free.

Maintenance: Its maintenance is also easy. The filters are quite straightforward to replace. The sediment filter, along with coconut shell carbon filters, has a lifespan of 6 to 12 months. The RO membrane can work effectively for up to 2 years, whereas the post-carbon filter lasts 12 to 24 months.

What is included in the package: The package includes a 3.2-gallon water storage tank, chrome-finish faucet, and filters with housings. Also, there is an automatic shutoff valve, a flow restrictor, tank ball valve, and feedwater angle and drain saddle valves. Moreover, four tubes of 0.25 inches, housing wrenches, and Teflon tape are included.

Warranty: It comes with a warranty period for one year.

My Opinion:

Pros: Olympia OROS-50 is one of the best performing RO water filters available at an affordable price. It features five filtration stages to provide high-quality water with good taste. It is the NSF certified product that is simple to install and maintain. Also, it has an acceptable waste water ratio.

Cons: Sometimes, leaks are possible. Also, it might take all the available space under your sink.


What is Reverse Osmosis?

RO (Reverse Osmosis) is a water treatment or purification process in which water molecules are passed through a semipermeable membrane with pressure. The 0.0001 micron RO membrane stops ions, unwanted molecules, and larger particles from passing through, providing high-quality drinking water.

What material is used inside the tank?

The water storage tank is made up of stainless steel. No aluminum components are used in the making of the tank.

Does Olympia OROS-50 require electricity?

No, there is no need to use electricity as it uses only water pressure to remove impurities and contaminants.

Therefore, make sure you are getting sufficient water pressure to help the system and RO membrane work effectively.

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