Liquid Filtration

Cynosure Biotech Solutions represents Global Filter in the USA for liquid filtration utilizing cartridges, membranes, and bags in single and multi-element vessels.  All Global Filter cartridges are manufactured in a clean-room environment to maintain high standards of purity and cleanliness.

Prefiltration (Consumable) Cartridges


High Purity Pleated Polypropylene Filter Cartridges provide a high area, 100% polypropylene element for removal of fine or coarse particulate from fluid streams. The pleated depth media is encapsulated in an integral, continuous length, thermally-bonded structure for cleanliness, pressure tolerance, and chemical inertness. Offered in both absolute-rated (up to 99.98% retention) and nominally-rated (90% retention) grades in all end configurations.


High Purity Pleated Borosilicate Microglass Filter Cartridges offer high-efficiency retention of particulate matter from liquid streams. Favored for its superior retention efficiency, low pressure drop, and greater contaminant loading capacity relative to alternative medias. Suitable for food and potable water contact, the FG-Series delivers to the high performance demands in food production and bottled water. Also has broad use with process water, lubricants, and a range of fine chemicals.

Sterile Filtration (Consumable) Cartridges


High Purity Bio-Burden Reduction Grade Filter Polyethersulfone Cartridges are validated and 100% integrity tested; providing bio-burden and small particle removal across a wide range of food and beverage liquids, biological liquids, and intermediate bulk pharmaceutical fluids. The BRPES-Series is constructed using a unique single-layer hydrophilic asymmetric polyethersulfone membrane. This construction offers broad chemical compatibility, high flow-rates at low pressure drops, and low extractables. BRPES cartridges are ideal as either a final filtration stage or as an extremely effective prefilter to a sterilizing stage.


High Purity Pharmaceutical Grade Polyethersulfone Filter Cartridges are ideal for sterile filtration and clarification of pharmaceutical and biological solutions. Each PPES cartridge is integrity tested during manufacturing and is supported by a validation guide for regulatory compliance. Low protein binding and the broad chemical compatibility characteristics of the polyethersulfone membrane, along with exceptional flow rate vs pressure drop, makes the PPES-Series the ideal choice for a variety of valuable and/or critical pharmaceutical solutions.

PPES cartridges are fully validated as sterilizing grade filters in accordance with HIMA and ASTM F838-05 guidelines. For the 0.2 micron series elements, validation studies demonstrate sterile effluent is achieved with challenge concentrations in excess of 10^7  Brevundimonas diminuta per cm^2  of filter area. Additionally, validation studies of 0.1 micron series elements demonstrate 10^7  retention of Mycoplasma (Acholeplasma laidlawii) per cm^2  of filter area. Designed to tolerate repeated hot water sanitization and in-situ steam sterilization cycles for maximum service life.

Stainless Steel Filter Housings

Fermenter Liquid and Hygienic DSP Filter Housings

Sanitary and process industrial designed housings constructed of 316 stainless steel to handle a wide range of flowrates and to accept filter cartridges in DOE, -222, and -226 style end configurations. Pressure vessel stamp option for steam in place capability.

Cartridge End Connection Options

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