Section 5


- Available in a variety of sizes and flow rates to meet a wide range of applications
- Highest quality water
- Industry’s longest lasting and most reliable performance
- Choose from tap water (TW), brackish water (BW), low energy (LE and XLE) and seawater (SW) to fit your need
5.1: Patriot® Residential RO Membranes
Patriot Reverse Osmosis (RO) Membranes are made of thin layered Polyamide composite materials. These high-performance RO membrane elements are used on a wide range of system applications. They are packaged dry for prolonged shelf life.
Features:
- Greater durability and life than regular home drinking water elements
- Performs at higher TDS
- Higher rejection rates
- High pH tolerance
Applications:
- Residential and office RO Systems
- Laboratory or Hospital RO Systems
- Hydroponic or Fish Tank RO Systems
Materials of Construction:
- Membrane: Thin Layered Polyamide Composite
- Operating Temp: 77 F (25 C), Max Temp: 45 C

PATRIOT® Residential RO Membranes
Item | Filter Size | *Flow Rate | Salt Rejection* |
MEM-PTRO1812-50 | 1.8″ X 12″ | 50 GPD | 25 |
MEM-PTRO1812-75 | 75 GPD | 25 | |
MEM-PTRO1812-100 | 100 GPD | 25 |
* Specifications are nominal, intended for reference only. Filter life depends on operating conditions.
^ Suggested list price FOB Houston, Texas. Actual cost may vary. Subject to change without notice. Call for items not listed.
Warning: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before and/or after the system.
5.2: Commercial RO Membranes
Commercial RO membranes are fiberglass wrapped for durability, and operate at 150 psi. Available in standard 2.5” and 4” diameter sizes.
Features:
- Fiber Glass wrapped
- Performs at higher TDS
- Higher rejection rates
- High pH tolerance
Applications:
- Commercial and Light Industrial water plants
- Water Stores
- Food Processing
- Car Washes
- Pharmaceutical
Materials of Construction:
- Membrane: Thin Layered Polyamide Composite
- Brine Seal, O-Rings: EPDM
- Wrap: Polyester tape
- Operating Temp: 77 F (25 C), Max Temp: 45 C

Commercial RO Membranes
Item | Element Size* | Flow Rate* | Applied Pressure* | Price EA.^ |
MEM-ULP21-2521 | 2.5” X 21” | 300 GPD | 150 PSI | 99.0% @ 1,500 PPM |
MEM-ULP21-2540 | 2.5” X 40” | 750 GPD | ||
MEM-ULP21-4021 | 4” X 21” | 950 GPD | ||
MEM-ULP21-4040 | 4” X 40” | 92,400 GPD | ||
MEM-ULP11-4040 | 4” X 40” | 2,700 GPD | 98.0% @ 1,500 PPM |
* Specifications are nominal, intended for reference only. Filter life depends on operating conditions.
^ Suggested list price FOB Houston, Texas. Actual cost may vary. Subject to change without notice. Call for items not listed.
Warning: Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before and/or after the system.
5.3: Other Brands of RO Membranes


GRO Membranes are encapsulated sanitary-type RO membranes. Available in 35, 50, and 75 GPD with or without Flow Restrictor.
T300 Membranes are encapsulated sanitary-type RO Membranes. Available in flow rates of up to 150 GPD with or without Flow Restrictor, and maybe ordered with a check valve at product water.
Filmtec Home Drinking Water elements are residential type TFC membranes with standard size of 1.8”X12”. They are available in 24, 36, 50, 75, or 100 GPD configurations.

Filmtec Extra Low Energy commercial RO membranes are tapwater type and operate at 100 psi. Their part numbers are XLE- followed by size.
Filmtec Tapwater commercial RO membranes are tapwater type and operate at 225 psi. Their part numbers are TW30- followed by size.
Filmtec Brackish water RO membranes are made to handle higher TDS, and operate at 225 psi. Their part numbers are BW30- followed by size.

Don’t see it? We’ve probably got it. Just feel free to contact our sales department with any requirements.