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Innovative Filter Solutions. Clear Results.
Introducing:
The First Filter Element of Its Kind
Seamless design, gradient density!
The Depth of a Cartridge with the Convenience of a Bag
1 BOS GRADIENT = 12 - 30" CARTRIDGES
Microfiber-Polypropylene ~ True Gradient Density ~ Not Layered ~ Absolute Filtration - from 3 to 125 microns Seamless Construction ~ Thermally Bonded Ring
Filtration Solutions and Products
Welcome to Filter Specialists, Inc.
Established in 1972, FSI is the world's most innovative manufacturer of liquid filtration products. We've patented dozens of designs for filter vessels, filter bags and filter cartridges, providing our customers with improved efficiency and significant cost savings.
XL234 Modular Filter
XL234 Modular Filter System makes change-outs faster and easier than ever with its unique twist-off lid. You can choose from a 7-cartridge system or our new patented EZLoc filter bag with a built-in polypropylene ring that makes filter bypass a thing of the past. Either choice offers long service life and can be changed in minutes without tools!
Vorex® and Vorex HP
Filter Cartridges
Highly cost effective, absolute-rated Vorex HP Filter Cartridges provide superior flow, longer on-stream life, increased dirt holding capacity, and lower pressure drop. Designed for high efficiency and few change-outs, they work well as pre-filters or final filters for industrial, chemical process, food/beverage, cosmetics and water applications. Vorex HP microfibers and core are manufactured with 100 percent polypropylene.
For applications requiring nominal-rated cartridges, the Vorex Filter Cartridge is available.
FSI introduces a line of filtration products certified to NSF Standard 61
NSF Standard 61 establishes the minimum requirements for the control of potential adverse human health effects from products that contact drinking water. When you need a filtration system that is NSF61 Certified, FSI can supply.
Filter Vessels
BFNP and FSPN filters, sizes 1 & 2, in 304SS and 316SS are available with NSF61 Certification.
Filter Bags
Polymicro Microfiber Filter Bags (POMF) in 1, 2 10 and 25 micron are available with NSF61 Certification.
Polymicro Microfiber Seamless Filter Bags (BOS) are available with NSF61 Certification.
BOS Gradient Filter Elements are available with NSF61 Certification.
Have a technical question about your process or one of our products?
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Technical Tools
Our team of experts has developed sizing and specification tools for you to select the filter bag or filter cartridge to meet your needs. The Bag Sizing Calculator will help you determine approximate filter vessel size according to your specifications.
