Osmonics (acquired by GE and then by Suez Water Technologies) is committed to helping industrial, institutional and commercial customers worldwide ensure fluid purity in their products and processes. Founded in 1969, they pioneered the commercial development of reverse osmosis and ultrafiltration technologies. Since then, they have steadily expanded their ability to manufacture membranes, products and equipment to meet any fluid purification, separation or handling requirement.
Today, Suez Water Technologies provides a breadth of products and services for the Industrial Processing and Power, Potable Water, Health Care, Food, and Electronics Manufacturing markets.
Depth Filters
Suez Water Technologies’ one-step manufacturing process continuously extrudes and thermally bonds pure polypropylene microfibers into a complex filter matrix. Microfilaments combined with precise control maximize the positive filtration characteristics of graded density, tight micron cutoffs and maximum void area with millions of tortuous paths. This fully automated manufacturing process assures consistent quality, filter to filter, year in and year out. Thermal and vacuum finishing procedures produce exceptionally clean filters imprinted for easy identification in the field.
- Selex Depth Filters Absolute-rated with sharp cut-offs the Selex is a high precision, graded density cartridge filter on the leading edge of depth filter technology.
- Hytrex Depth Filters The industry leader with high efficiency and dirt-holding capacity.
- Purtrex Depth Filters Pure polypropylene depth filter with exceptional dirt-holding capability.

Pleated Filters
Memtrex Pleated Membrane Filters
- Memtrex™-FE Filters PTFE Membrane Teflon* PTFE membrane, ideal for the filtration of bulk chemical, ultrapure water and gases.
- Memtrex™-FE-S Filters PTFE Membrane Memtrex-FE-S validatable sterilizing grade filter cartridges are designed for sterile venting and final filtration of pharmaceutical fluids.
- Memtrex™-NY Filters Hydrophilic Nylon66 Microfiber A nylon filter designed for pure chemical and water filtration.
- Memtrex™-MP Filters Modified Polyethersulfone Membrane A polyethersulfone filter designed specifically for the filtration of process fluids and protein-laden solutions.
- Memtrex™-MP-B Filters Modified Polyethersulfone Membrane A beverage industry filter constructed with a polypropylene microfiber prefiltration layer and combined with a unique asymmetric polyethersulfone membrane. These filters offer extremely low protein-binding characteristics with high throughput.
- Memtrex™-MP-E Filters Modified Polyethersulfone Membrane The Memtrex-MP-EGrade filter is the newest family member that allows Osmonics® to offer the highest purity modified polyethersulfone (PES) in today’s microelectronic market. MMP-E filters combine high throughput with exact micron retention cutoff.
- Memtrex™-MP-S Filters Validation Grade Modified PES Polyethersulfone pleated cartridge filter specifically designed for the pharmaceutical industry to produce sterile effluent.
- Memtrex™-PC Filters Polycarbonate Track-Etch Membrane Polycarbonate track-etch membrane filter offers efficient sieving filtration.
- Memtrex™-PM Filters Polypropylene Membrane Constructed with pure polypropylene membrane, hardware and supports, these filters are ideal for filtering aggressive solutions.
Flotrex Pleated Microfiber Filters
- Flotrex™-PN Filters Polypropylene Microfiber Polypropylene microfiber filter designed for general prefiltration. Nominal micron ratings: 0.2, 0.45, 1.0, 2.0, 3.0, 5.0, 10.0 and 30.0 µm.
- Flotrex™-AP Filters Polypropylene Microfiber Polypropylene microfiber filter designed for pharmaceutical prefiltration. Absolute micron ratings: 0.65, 1.0, 2.0, 3.0, 5.0, 10.0, 20.0 and 40.0 µm.
- Flotrex™-GF Filters Glass Microfiber Glass microfiber filter designed for prefiltration. Nominal micron ratings: 0.45, 1.0, 3.0 µm.
- Flotrex™-HR Filters Fluoropolymer Microfiber Designed especially for ozonated water applications, the Osmonics® Flotrex-HR (FHR) filter is ideal for pharmaceutical and beverage applications utilizing this water treatment technology. Absolute micron ratings: 3.0, 10.0, and 25.0 µm.

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- Industrial and Sanitary Grade Cartridge Housings
- Spiraltex Rolled Filters
- Lab Products
- RO Membranes
- Flotrex™-GF Filters Glass Microfiber Glass microfiber filter designed for prefiltration. Nominal micron ratings: 0.45, 1.0, 3.0 µm.
- Flotrex™-HR Filters Fluoropolymer Microfiber Designed especially for ozonated water applications, the Osmonics® Flotrex-HR (FHR) filter is ideal for pharmaceutical and beverage applications utilizing this water treatment technology. Absolute micron ratings: 3.0, 10.0, and 25.0 µm.
