Marlus 650 reverse osmosis system with UV and pump

Marlus reverse osmosis water filter system with water pump and UV lamp.

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Product description

Water reverse osmosis Marlus 650 UV + PUMP

The Marlus 650 reverse osmosis system protects you from water impurities including bacteria, viruses, chemicals, heavy metals, and sediment. It reduces water hardness, and a special mineral cartridge adds back vital minerals back to the water that are necessary for our bodies. This filtration system is suitable for household use, and provides water for drinking, cooking, aquariums, and watering plants. This unit includes both the UV water sterilizer for extra protection in contaminated areas and the pump for areas of low water pressure.

Reverse osmosis explained

Reverse Osmosis - a simple water filtration process

Reverse Osmosis is a process in which dissolved inorganic solids (such as salts) are removed from a solution (such as water). This is accomplished by household water pressure pushing the tap water through a semipermeable membrane. The Marlus system forces water through a reverse osmosis membrane and several other filters. The filtered water is stored in a pressurized tank, while the impurities are flushed away. The result is ultra-clean and hygienic drinking water.

Marlus 650 reverse osmosis system with UV and pump filters

Reverse osmosis filters

PRE-FILTER is used to protect the reverse osmosis membrane by removing sand, silt, dirt, and other sediment that could clog the system.

CARBON FILTER and 2ND CARBON FILTER are used to remove chlorine and other contaminants that affect the performance and life of the RO membrane as well as improve the taste and odor of your water.

REVERSE OSMOSIS MEMBRANE is the heart of the system. It´s designed to remove a wide variety of contaminants. After passing through the membrane, the water goes into a pressurized storage tank.

POST FILTER - After the water leaves the storage tank, but before going to the faucet, the treated water goes through a final “post filter”. Any remaining tastes or odors are removed from the water by post filtration “polishing”.

MINERALIZER - Reverse osmosis filtration removes many things from water including beneficial minerals. To ensure that our drinking water still has healthy amounts of magnesium and calcium, a remineralizer filter is used to add these minerals back.  

STORAGE TANK holds 12 liters of water. A bladder inside the tank keeps water pressurized in the tank when it is full. The size of tank is 28 x 28 x 40 cm. To conserve water, the Marlus 650 has an automatic shut off valve which closes when the tank is full.

reverse osmosis membrane

Reverse Osmosis Membrane

Normal tap water can contain many chemical substances like chlorine, lead, arsenic, mercury, and various organic substances. These can accumulate in your body, causing  many health problems. Reverse osmosis provides filtered water that contains less than 30 mg/l of soluble substances, which is close to distilled water.

Reverse osmosis removes mechanical impurities, nitrates, nitrites, heavy metals (cadmium, lead, mercury, berilium, arsenic, etc.), organic compounds (phenols, chlorinated hydrocarbons, chlorine) and microbiological contamination.

Marlus 650 reverse osmosis system with UV and pump UV cartridge

UV lamp for extra disinfection

The primary usage for a UV light is to disinfect filtered water at a certain flow rate. Bacteria, viruses, and other microorganisms are sterilized by the ultraviolet light's wavelength.  While reverse osmosis already removes bacteria and viruses from the water, a UV light will completely sterilize the water.  If you are using municipal water you shouldn´t need a UV light with the Marlus system. But if your water source is known to be unsafe with microorganisms and you want to have extra protection, then you can add an UV as an additional stage to disinfect water.

Marlus 650 reverse osmosis system with UV and pump water pump

Pump for low pressure areas

For reverse osmosis to be effective, it needs sufficient water pressure. If you are connected to a public water system, you probably have plenty of water pressure. However, if you are using well water with low pressure, an additional pump may be needed to ensure adequate filtration.

The main advantages of reverse osmosis


RO filtration makes water taste better by removing contaminants


With Marlus 650 you can cancel your water delivery service or stop purchasing cases of bottled water. Reverse Osmosis filtration provides “better-than-bottled water” quality water for just cents per liter.



With very few moving or replaceable parts, reverse osmosis systems are very easy to maintain. Only the filter must be periodically changed.


Pollutants including nitrates, pesticides, sulfates, fluoride, bacteria, pharmaceuticals, arsenic and much more are quickly removed from water. The carbon filters also remove chlorine and chloramines and add a great flavor.


Max/min pressure
6/3 bar
Max/min water temperature
30/3 °C
Tank dimensions
28 x 20,8 x 40 cm
Tank capacity
14 l
15 x 40 x 44 cm
11 kg
Warranty (months)
24 months
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