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
Membrane Solutions 1812/3012/3013/3213 Reverse osmosis housing, with a universal size, is compatible with most of the standard-sized residential RO membranes, including 100 GPD /200 GPD /300 GPD /400 GPD /500 GPD/800 GPD.
Durable Construction
Manufactured with FRP (Fiber Reinforced Polypropylene), thicker constructed, the membrane housing provides better pressure resistance, excellent anti-explosion performance, and heat insulation property. It resists acids, alcohol, ammonia, oils, plating solutions, and other corrosive chemicals.
Efficient Leakage Protection
Designed and manufactured with a thicken unibody and a dual o-ring sealing leakage protection to ensure drinking safety, compression resistance, and explosion-proof strength.
Wide Application
Use a reverse osmosis filtration set to your RO water system at the home, office to enjoy pure water. You can also take it as part of your DIY water filtration system for drinking or getting concentrated maple sap.
Package Includes
1 x Housing,
3 x Elbow Fittings
1 x Wrench
How to Change RO Housing and Membrane?
1. Turn off the feed water supply line valve to the RO system and the valve on the water tank.
2. Open the RO faucet and allow the pressure in the system to bleed off.
3. Remove the blue safety clip, push down the collect and push out the tubing to disconnect from the membrane housing.
4. Use the wrench to remove the membrane housing cap.
5. Use pliers to remove the used membrane, discard and insert the new membrane. The end with 2 little washers goes in first, push until you feel it seats securely into the membrane housing.
6. Replace and tighten the membrane housing cap. Reconnect the removed tubing and put back the blue safety clip.
Note: If you can't put back the housing cap easily, twist the RO membrane gently to get it correctly seat to the pure water outlet.





Sandmonk Technology Co., Ltd. (SAND.K) is fervently committed to pioneering advancements in water environmental technology. By leveraging a sophisticated international supply chain, we infuse the industry with dynamic innovation backed by expertise. We offer comprehensive, one-stop services for essential components. Our exceptional craftsmanship is tailored for small to medium-sized equipment manufacturers, utilizing cross-border e-commerce to cater to global customers in developing markets.
Our independent R&D capabilities and robust manufacturing processes establish us as leaders in the field, continually advancing the frontiers of innovation. Through precise data analysis, we provide custom solutions for regions facing high salinity water challenges, adapting our solutions to address unique local circumstances.
Our adaptable solutions range from seawater desalination and waste leachate treatment to drinking water purification and the reuse of treated wastewater, offering a comprehensive approach to water challenges. Additionally, our outstanding cost advantage sets us apart, delivering exceptional value and excellence within 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. |