RO Membrane Filter Cartridge – High Flow & Long Lifespan

The RO (Reverse Osmosis) membrane filter cartridge is a core component of modern water purification systems. Utilizing reverse osmosis technology, it boasts a filter rating of 0.0001 microns, effectively removing heavy metals, bacteria, viruses, and other tiny pollutants and harmful substances from water. Water filtered through the RO membrane is safe for direct consumption.

The RO membrane filter cartridge is typically installed as the fourth stage of filtration in water purifiers, following the activated carbon filter cartridge. Whether ensuring the safety of household drinking water or meeting the demand for commercial pure water, our RO membrane filter cartridge is a technological pioneer in the water purification industry.

A blue RO membrane filter cartridge placed on a flat surface

Principle

Under high pressure, raw water flows into the RO membrane from the end without the double O-ring seals. The RO membrane performs deep filtration through its ultra-fine pores (approximately 0.0001 microns).

Harmful substances in the water, such as dissolved salts, heavy metals, bacteria, viruses and organic substances, are trapped by the membrane. The trapped impurities and concentrated water are discharged through the drain outlet.

Water molecules and a very small amount of tiny mineral ions can pass through the RO membrane, becoming purified water. The purified water flows out from the outlet, available for users to drink or use.

The structural diagram of the RO membrane filter and water filtration process

Features

Ultra-high filter rating. 0.0001 micron filter rating allows it to effectively remove bacteria, viruses, heavy metals, and dissolved salts from water, providing safe drinking water.
Energy-saving and environmentally friendly design. High salt rejection (up to 95% or above), high purity purified water, high water resource utilization rate, low wastewater ratio, saving water resources.
High flow design. Daily water production up to 50 G to 400 G, fully meeting the high-frequency drinking water needs of homes, offices, cafes, and other places.
Exceptional durability. Multi-layer composite membrane structure offers excellent anti-fouling performance. The filter cartridge lifespan can reach 16–24 months, reducing maintenance costs.
Compact compatibility. It meets standard 1812 and other specifications, compatible with most household and commercial water purifiers, modular design for easy installation.

Specifications

Table 1: RO Membrane Filter Cartridge Specifications
Model	RO-50G	RO-75G	RO-100G	RO-200G	RO-300G	RO-400G
Flow Rate	50 GPD	75 GPD	100 GPD	200 GPD	300 GPD	400 GPD
Filtration Life	16–24 months
Housing dimensions	1.8" x 12"
Max Adapted Pressure	150 psi
Maximum Operating Temperature	113 °F (45 °C)
Test Liquid Pressure psi (Mpa)	65 (0.45)
Test Liquid Temperature (°C)	25
Recovery rate (%)	15
Salt Rejection	95%–98%
PH	6.5–8

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