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We are RO (Reverse Osmosis) membrane and TDS (total dissolved solids)meter manufacturer and supplier.
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0.0001 Micron Reverse Osmosis Water Filter Replacement For Domestic / Household

Xiamen Fangcheng Electronic Science And Technology Co., Ltd. 

0.0001 Micron Reverse Osmosis Water Filter Replacement For Domestic / Household

Brand Name : FANGCHENG
Model Number : 3012-400G
Certification : NSF certification
Place of Origin : China
MOQ : 100PCS
Price : Can be negotiation
Payment Terms : T/T, Western Union, MoneyGram, L/C
Supply Ability : 90,000pcs per month
Delivery Time : 3-5 business days
Packaging Details : vacuum pacakge
Item : Reverse Osmosis Menbrane
Stable Rejection : 96~98%
Filter : reverse osmosis water filter
Membrane sheet : Import USA
Application : Domestic/household/industrial drinking water system
Filter Precision : 0.0001 micron
Capacity : 400GPD
Use : Water purifier system
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Reverse osmosis replacement filters Complete Replacement Set ro water filter

If a semi-permeable membrane separates a concentrated solution from a dilute solution, water will flow from the dilute solution to the concentrated side in order to bring the two solutions into equilibrium through a process called osmosis. However, if sufficient pressure is applied to the concentrated solution, it is possible to force water to flow into the opposite direction. This is the main principle on which RO is based.

A semi-permeable membrane allows water to diffuse through the membrane and only allows a small amount of ions through. RO membrane rejects contaminants by three mechanisms at the surface: repulsion from the ion charge and density; dipolar interactions; and the size of the molecule being larger than the pore size of the membrane.

Companies that specialize in making RO membranes are continually developing new membranes that allow more water and fewer harmful contaminants through. Some membranes are so specialized that they are developed to specifically block ions of interest, such as nitrates, boron or silica.


Semipermeable membrane to remove ions, molecules, and larger particles from drinking water can remove chlorine, fluoride,bacteria, microorganism, etc

Stable Desalination %96~98%96~98%96~98%96~98%

Mean Permeable Flow GDP (L/d)

Active Film Area ft2(m2)4(0.4)4.2(0.42)5.0(0.5)5.3(0.53)
Test ConditionTest Pressure65pai(0.45Mpa)
Test Water Temperature25℃
Test Water Concentration(NaCl)500ppm
Test Water PH6.5-7.5
Recycle Rate %15
Max Operating Temp.300psi(2.0Mpa)
Max. Inlet Water Temp.45°C
Max Water Inlet Silt Density Index (SDI)5
Inlet Water Chlorine Tolerance<0.1mg/l
Inlet Water PH Range, Continuous Operation3~10
Inlet Water PH Range, Short-Term Cleaning2~11
Max. Pressure Drop of Single Membrane10psi(0.07Mpa)

Q: What is a residential RO Water Filter?
It is a system that uses the principle of reverse osmosis to remove 95-99% of all the mineral and chemical contaminants from raw tap water. It gives you the quality of bottled water with the convenience of a faucet mounted on your kitchen sink.

Q: How does RO Water Filter different from a water filter?
Ordinary water filters use a screen to separate only particles of dirt sediment from water. RO water filter employs a semi-permeable membrane that removes not only particles but also an extremely high percentage of dissolved contaminants, molecule by molecule, from raw tap water.

Q: Will RO Water Filter remove sodium from the water?
Yes! Reverse osmosis was originally designed to make seawater drinkable for the Navy. It is ideal for anyone on a low sodium diet.

Q: Does RO Water Filter remove bacteria? Cryptosporidium?
YES! A reverse osmosis membrane has a pore size much smaller than bacteria, virus pyrogen, or the Cryptosporidium parasite. When functioning properly, it will remove all microorganisms from tap water and produce sterile water.

Q: Don't we need the minerals that are removed from the water?
Most of the minerals that we receive are from the foods we eat. Only a very small percentage comes from the water we drink.

Product Tags:

ro water plant membrane


seawater ro membrane

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