Model |
Port Size(Feedwater/Drain water/Pure water) |
Material |
1812 |
1/4" |
/4" |
1/4" |
Food graded polypropylene |
3012 |
3/8" |
/4" |
/4" |
3013 |
3/8" |
3/8" |
/4" |
3213 |
3/8" |
3/8" |
3/8" |
10"BIG |
|
1"1.5" |
|
20"BIG |
|
1"1.5" |
|
20"NORMAL |
|
1/2"3/8"1" |
|
|
Standard Size
Introducing Membrane Solutions 1812/3012/3013/3213 Reverse Osmosis Housing. This universal marvel effortlessly fits most standard-sized residential RO membranes, including 100 GPD, 200 GPD, 300 GPD, 400 GPD, 500 GPD, and 800 GPD models. Your journey to immaculate water begins here with compatibility and versatility as its cornerstone.
Durable Construction
Crafted with care from FRP (Fiber Reinforced Polypropylene), our membrane housing boasts a thicker build, providing unparalleled pressure resistance and top-tier anti-explosion properties. This construction ensures exceptional heat insulation and resilience against acids, alcohol, ammonia, oils, plating solutions, and other corrosive chemicals, making it a robust addition to any setup.
Efficient Leakage Protection
Designed with precision, our membrane housing features a thick unibody and dual o-ring sealing system, ensuring unmatched leakage protection. This technology guarantees safe drinking water, compression resistance, and explosion-proof strength, promising peace of mind with every drop.
Wide Application
Enhance your RO water system at home or in the office with a reverse osmosis filtration set, delivering pure, pristine water effortlessly. Additionally, integrate it into your DIY water filtration system for seamless drinking water or to concentrate maple sap efficiently.
Package Includes
1 x Housing
3 x Elbow Fittings
1 x Wrench
How to Change RO Housing and Membrane?
1. Begin by turning off the feed water supply line valve to the RO system, along with the valve on the water tank.
2. Open the RO faucet and allow the pressure to release naturally from the system.
3. Remove the blue safety clip, then gently push down the collect and disconnect the tubing from the membrane housing.
4. With the provided wrench, carefully remove the membrane housing cap.
5. Use pliers to safely extract the used membrane. Discard and replace with a new one, ensuring the end with two little washers goes in first, securing it firmly into the housing.
6. Reattach and tighten the membrane housing cap securely. Reconnect the tubing and replace the blue safety clip.
Note: If the housing cap doesn't align easily, gently twist the RO membrane to ensure it seats correctly at the pure water outlet.





Sandmonk Technology Co., Ltd. (SAND.K) is passionately dedicated to leading the charge in water environmental technology. By harnessing a refined international supply chain, we inject the industry with dynamic innovation that is reinforced by profound expertise and vision. We pride ourselves on offering comprehensive, one-stop services tailored for essential components. With impeccable craftsmanship, we serve small to medium-sized equipment manufacturers, leveraging cross-border e-commerce to reach a global clientele within developing markets.
Our independent R&D prowess and robust manufacturing processes firmly establish us as industry leaders, constantly pushing the boundaries of innovation and excellence. Through meticulous data analysis, we craft customized solutions for regions grappling with high salinity water challenges, adapting to meet unique local needs with precision and care.
Our flexible solutions encompass seawater desalination, waste leachate treatment, drinking water purification, and the reuse of treated wastewater, providing a holistic approach to overcoming water-related challenges. Furthermore, our remarkable cost advantage distinguishes us, delivering unparalleled value and achieving excellence in the industry.

QUESTION |
ANSWER |
Are you a factory or trading company? |
Yes, we have our own factory. |
Can you offer OEM service? |
Yes, OEM is OK. |
Can I get samples from you factory? |
Sure. We are pleased to. |
What would you do if some quality problem occur? |
We will be responsible to all quality problem. |