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
Our Membrane Solutions 1812/3012/3013/3213 Reverse Osmosis Housing is a marvel of universal compatibility. It seamlessly integrates with most standard-sized residential reverse osmosis membranes. Whether you need 100 GPD or up to 800 GPD, this housing is engineered to meet diverse filtration needs with effortless precision.
Durable Construction
Crafted with precision and durability in mind, our housing boasts a robust FRP (Fiber Reinforced Polypropylene) design. This thicker construction not only ensures superior pressure resistance but also provides outstanding anti-explosion properties and exceptional heat insulation. Unyielding in the face of acids, alcohol, ammonia, oils, and plating solutions, it stands robust against even the harshest corrosive chemicals.
Efficient Leakage Protection
Our meticulously engineered design features a thick unibody and a dual o-ring sealing system for unbeatable leakage protection. This ensures not only the safety of your drinking water but also offers remarkable compression resistance and explosion-proof strength—providing peace of mind with every drop.
Wide Application
Experience the purity of clean water with our reverse osmosis filtration system, perfectly suited for home and office use. Whether you're looking to enhance your drinking water or need a DIY solution for filtering or maple sap concentration, this versatile system meets a wide array of hydration and purification needs.
Package Includes
1 x Housing,
3 x Elbow Fittings
1 x Wrench
How to Change RO Housing and Membrane?
1. Begin by turning off both the feed water supply line valve and the water tank valve to ensure a safe and seamless transition.
2. Open the RO faucet to release system pressure, ensuring a smooth and controlled process.
3. For easy disconnection, remove the blue safety clip, then push down the collect and gently push out the tubing from the membrane housing.
4. Utilize the wrench to carefully remove the cap from the membrane housing, allowing access to the interior components.
5. Use pliers to extract the used membrane, discard it responsibly, and insert the new membrane. Ensure the end with two small washers is inserted first. Push until it seats securely, ensuring optimal operation.
6. Securely replace and tighten the membrane housing cap. Reconnect the tubing and replace the blue safety clip for added security.
Note: If difficulty arises when replacing the housing cap, gently twist the RO membrane to align it correctly with the pure water outlet, ensuring a snug fit.





Sandmonk Technology Co., Ltd. (SAND.K) is at the forefront of innovation in water environmental technology, passionately pushing the boundaries of what is possible. Our dynamic international supply chain fuels this innovation, underpinned by a wealth of expertise. We provide seamless, one-stop services for essential components, with exceptional craftsmanship designed for small and medium-sized equipment manufacturers. By leveraging cross-border e-commerce, we connect with global customers in developing markets, delivering unmatched solutions.
With pioneering research and development capabilities alongside robust manufacturing processes, we lead the charge in innovation, consistently expanding the horizons of our field. Our data-driven approach allows us to deliver custom solutions tailored to regions grappling with high salinity water challenges, ensuring adaptability to unique local conditions.
Our versatile solutions encompass everything from seawater desalination and waste leachate treatment to drinking water purification and the reuse of treated wastewater, providing a comprehensive strategy to tackle water challenges head-on. Our unparalleled cost advantage sets us apart, ensuring we offer not just value, but also excellence in every aspect of our 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. |