About these items:
Enjoy Your Water with Confidence: Our Reverse Osmosis membrane is meticulously crafted to eradicate up to a remarkable 99% of more than 1,000 impurities from your water. Bid farewell to harmful contaminants like lead (achieving removal efficiency up to 98%), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and a myriad of other undesirable substances.
Top-notch Quality : Manufactured with premium, food-grade materials, our Reverse Osmosis Membrane guarantees exceptional packing density for optimal contaminant filtration. It ensures only pure water molecules pass through, effectively blocking nearly all other substances.
Energy Saving: Engineered for Low Pressure Operation at a mere 70 psi, this design significantly reduces energy consumption and minimizes operational costs effectively.
Wide TDS Range: Demonstrates outstanding performance in saline conditions, handling TDS levels as high as 3000ppm, while maintaining a consistent and stable rejection rate throughout.
Stable Rejection Rate 97% : Advanced membrane sheet compositions guarantee a dependable and consistent rejection rate across an extensive range of TDS levels.
Peace of Mind Customer Service : We prioritize your satisfaction. Should any issues arise with our products, contact us without delay. Our dedicated support team is ready and enthusiastic to assist you!
Key applications:
Ideal for residential and household reverse osmosis systems, in addition to other water purification devices deployed in hospitals and laboratories, ensuring exemplary standards of water quality.
Municipal water purification.
Foodand Beverage industries, where flawless water quality is absolutely essential.
Farms, Restaurants, Retail
outlets, Garment Shops, Building Material Shops, Manufacturing Plants, Machinery Repair Shops, Printing Shops, Construction Works, Energy & Mining sectors, Advertising Companies, and water plants, delivering superior water filtration across a multitude of industries.
Model |
A |
B |
C |
D |
E |
Average Permeate Flow
gpd (m³/d) |
Average Salt Rejection
% |
Test conditions |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
Inch
(mm ) |
NaCl |
Pressure |
Temperature |
pH |
Recovery Rate |
Pro-LP-1812-50 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥50(0.19) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-1812-75 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥75(0.29) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-100 |
1.81
(46.0) |
0.72 (18.2) |
0.87 (22.0) |
0.87 (22.0) |
12.00
(297.5) |
≥100(0.38) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-150 |
1.81
(46.0) |
0.72 (18.2) |
0.87 (22.0) |
0.87 (22.0) |
12.00
(297.5) |
≥150(0.57) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2012-400 |
1.85
(47.0) |
0.72 (18.2) |
0.78
(20.0) |
0.78
(20.0) |
12.00
(297.5) |
≥400(1.52) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2812-200 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥200(0.76) |
97 |
350mg/L |
70psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-2812-300 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥300(1.14) |
97 |
350mg/L |
90/100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3012-400 |
2.68
(68.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥400(1.52) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3012-600 |
2.91
(74.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥600(2.28) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-400 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥400(1.52) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-500 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥500(1.90) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3013-600 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥600(2.28) |
97 |
350mg/L |
100psi |
25°c |
6.5~7.5 |
50% |
Pro-LP-3113-800 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥800(3.04) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LP-3213-900 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥900(3.42) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LP-3213-1000 |
3.11
(79.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥1000(3.80) |
97 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
30% |
Pro-LPHR-1812-75 |
1.75
(44.5) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥75(0.29) |
98 |
350mg/L |
90psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-2012-200 |
1.85
(47.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
12.00
(297.5) |
≥200(0.76) |
98 |
350mg/L |
90psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-3012-400 |
2.91
(74.0) |
0.72
(18.2) |
0.87
(22.0) |
0.87
(22.0) |
12.00
(297.5) |
≥400(1.52) |
98 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
15% |
Pro-LPHR-3013-400 |
2.68
(68.0) |
0.72
(18.2) |
0.78
(20.0) |
0.78
(20.0) |
13.00
(333.0) |
≥400(1.52) |
98 |
350mg/L |
110psi |
25°c |
6.5~7.5 |
15% |
Duetovariationsinfeedwaterquality,membraneelementsunderstandardtestconditionsmayhavea15%deviationinpermeateflow
Thestatedproductperformanceisbasedondatacollectedafter30minutesofoperationatthefollowingtestconditions
SIZE:mm/Inch
RecommendedOperatingConditions:
Operating Limits |
Unit |
Value |
Maximum operating pressure |
psi (MPa) |
125(0.86) |
Maximum feed water temperature |
°F (°C) |
113(45) |
Continuous operation pH range |
|
3-10 |
Cleaning PH range |
|
2-11 |
Maximum feed water SDI15 |
|
5 |
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
GeneralHandlingProcedures:
Storeinacoolanddryplace(below45°C)awayfromsunlight.
Permeatefromthefirsthourofoperationshouldbediscarded.
Keepelementsmoistatalltimesafterinitialwetting.
TopreventmicrobialgrowthintheWetMembraneElement,The itemis highlyrecommendedtothoroughly washitusinga1.0%SodiumMetabisulfite(foodgrade)solution.This should be followedbysecure vacuum-bagpacking ofthe
MembraneElementandcarefully storingitwithinaprotective cardboardbox.
Ensure that you onlyusechemicalsthat are compatiblewiththemembraneelementsandother components.Please note that Bright Star Waterwillnotaccept anyresponsibilityforanyissues arisingfromtheuseofincompatiblechemicals.


Seawater Desalination - Immerse yourself in the purity of ocean water magically transformed into drinkable water, leaving zero discharge of latex wastewater. Embrace the ultimate sustainable and environmentally-friendly solution tailored just for you! Copper Foil Industry Wastewater Treatment - Elevate efficiency and minimize environmental impact with cutting-edge methods designed to enhance and protect our world.
New Energy Industry - Pioneering the future with tomorrow's revolutionary technologies! Sulfuric Acid Purification and Recovery - Discover the untapped potential with the power of reclamation. Lithium Extraction from Salt Lake - Seamlessly harness renewable resources, forging a sustainable future that thrives on innovation and responsibility.
Our commitment to excellence is beautifully embodied in the prestigious certifications we proudly hold: The Health & Safety Management System Certificate stands as a hallmark of our unwavering dedication to maintaining the utmost standards of workplace safety. Furthermore, our Environmental Management System Certificate vividly demonstrates our steadfast dedication to sustainable and eco-friendly practices. Complementing these, the ISO9001 Quality System Certificate serves as a shining example of our continuous and resolute commitment to quality, seamlessly embedded across all our operational processes.
Our innovative prowess is magnificently showcased through our array of distinguished patents: Our Invention Patent for Membranes Production underscores our unique and forward-thinking manufacturing techniques. Taking another step into the future, our Invention Patent of Multi-layer RO Membrane highlights our advanced technological achievements in sophisticated membrane design. In addition, our Utility Model Patent Certificates firmly establish us as trailblazers in this domain, offering groundbreaking and practical solutions that truly set us apart.
1. Q:Are you a manufacture or a trading company?
A:We are manufacturer with our own factory and meanwhile we cooperation with other factories in our own technology.
2. Q: What about the lead time for mass production?
A: Our production time: 10-15 days for regular models.
3.Q:How you guarantee products quality?
A:We inspect and control the whole process from raw materials, production process, finished product to shipment.
4. Q: Can you offer sample before mass order? is it free or extra?
A:Yes samples will be kindly arranged for your confirmation. Please contact us for more details.
5.why choose us ?
We have advanced technology for the production of TFN membrane.
We have established the first TFN coating production line in China and achieved stable mass production.
We have equipped 1000m2 test platform, advanced water testing technology.
We provide RO,NF,UNF, Special Membrane Element and SPEC Customized Membrane as well.
We offering customer competitive price with excellent products quality and comprehensive services.
Proshare History: Immerse yourself in the inspiring evolution of Proshare Innovation, where each year marks a leap in technological breakthroughs and industry leadership.
2016 - Under the visionary leadership of Dr. Lin Xiaofeng, a distinguished expert recognized by the National Major Talent Introduction Project, Proshare's PhD team triumphantly returned to China, marking the beginning of an era of innovation. This pivotal year laid the foundation for Proshare's transformative journey in the field of high-performance membranes.
2017 - Proudly establishing its headquarters in Nanopolis Suzhou, Proshare joins the world's largest nano technology industrial application community, setting the stage for groundbreaking advancements. This strategic move positioned Proshare at the forefront of nanotechnology innovation.
2018 - Proshare unveiled its first exclusively designed TFN coating production line, a significant leap that symbolized Proshare's commitment to excellence and high-quality manufacturing. Paving the way for the commencement of mass production, Proshare's pioneering spirit was evident as it geared up for large-scale innovations.
2019 - A landmark year for Proshare asPSI MEMBRANE® made a remarkable breakthrough by successfully replacing imported nanofiltration membrane products. It has been stably applied in diverse sectors such as textile wastewater, landfill leachate, and high-salt & COD wastewater treatments, significantly contributing to environmental protection. Moreover, it became the first domestic supplier of high-end household nanofiltration water purifiers, reinforcing its dedication to safeguarding our planet.
2020 - Proshare introduced SPEC customized membranes, a testament to tailored innovation, catering specifically to large environmental engineering enterprises, and successfully provided services to numerous listed companies, showcasing Proshare's versatility and expertise in customized solutions.
2021 - Proshare earned its place as a qualified supplier for Sinopec, delivering integrated TFN membrane solutions, tailored for the petrochemical industry, underscoring Proshare's ability to meet specific industrial demands with precision and reliability.
2022 - With the establishment of subsidiaries in Shenzhen city, Hunan Province, Fujian Province, and Jiangxi, Proshare has extended its reach, becoming the pioneering domestic supplier in burgeoning sectors like synthetic biology, lithium batteries, and copper foil production,and beyond. This expansion signifies Proshare's strategic vision and commitment to fostering innovation across diverse industries.
2023 - Proshare achieved another milestone as the premier domestic supplier of seawater desalination membranes, to international luxury cruise companies, amplifying its global presence and showcasing its prowess in cutting-edge membrane technology for global markets.
2024 - Anticipation builds for exciting future endeavors, as Proshare continues to redefine the boundaries of innovation and sustainability in the membrane industry.