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Worldwide manufacturing & sales locations

Filter Specialists Inc.'s worldwide Manufacturing & Sales locations Direct sales and warehouses throughout the USA Manufacturing - Grand Island, NE Sales - Mexico City, Mexico Manufacturing - Cuernavaca, Mexico <span>Corporate Headquarters</span><em>includes a Manufacturing and Sales Office</em> - Michigan City, IN Manufacturing - Soddy Daisy, TN Sales - Canada Manufacturing - Taubaté, Brazil Sales - Taubaté, Brazil Manufacturing - Manchester, England Sales - Manchester, England Sales - France Sales - Hofheim, Germany Sales - Italy Sales - Dubai, UAE Sales - Mumbai, India Manufacturing - Shanghai, China Sales - Shanghai, China Sales - Taipei, Taiwan Sales - Seoul, South Korea Sales - Sydney, Australia Direct Sales - Western Canada
  • Direct sales and warehouses throughout the USA
  • ManufacturingGrand Island, NE
  • SalesMexico City, Mexico
  • ManufacturingCuernavaca, Mexico
  • Corporate Headquartersincludes a Manufacturing and Sales Office
    Michigan City, IN
  • ManufacturingSoddy Daisy, TN
  • SalesCanada
  • ManufacturingTaubaté, Brazil
  • SalesTaubaté, Brazil
  • ManufacturingManchester, England
  • SalesManchester, England
  • SalesFrance
  • SalesHofheim, Germany
  • SalesItaly
  • SalesDubai, UAE
  • SalesMumbai, India
  • ManufacturingShanghai, China
  • SalesShanghai, China
  • SalesTaipei, Taiwan
  • SalesSeoul, South Korea
  • SalesSydney, Australia
  • Direct SalesWestern Canada

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.

Our manufacturing process is designed to ensure that our customers consistently receive the highest quality products to meet their filtration needs.

Read more about FSI

Featured Products

BOS Gradient

BOS Gradient

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

Visit the BOS Gradient Product Page

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XL234 Modular Filter

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!

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Vorex® and Vorex HP Filter Cartridges

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.

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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

CBFP and FSPN filters, size 2, in 304SS and 316SS are available with NSF61 Certification.

Filter Bags