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Bag Filters

Filtration bags are used in both liquid and dust applications. Liquid bags are usually a cost-effective solution for the removal of bulk solids in prefilter applications. Bags come with sewn seam and welded with several different kinds of material in woven and nonwoven. Our bags also come in configurations to fit all different kinds of manufacturers’ housings.


3M Purification Inc. designs, manufactures, and markets filtration products for the separation, clarification, and purification of fluids and gases. The company offers industrial filtration solutions, residential and foodservice water filtration products, custom solutions for cleaner air and water, and life sciences process technologies for small-molecule-pharmaceutical and biopharmaceutical manufacturers. 

  • NB Series Filter Bags
Global Filter

Global Filter LLC manufactures and sells pleated filter cartridges. It offers pleated membrane, pleated depth, melt-blown, bicomponent filter, high-flow, resin-bonded, and wound depth cartridges; cartridge, band-clamp, and bag liquid vessels; and reverse-osmosis membrane and liquid filter bags. It offers liquid filtration solutions for various industries, such as food & beverage, pharmaceutical, enzyme, electronics, water service, reverse-osmosis prefilters, chemical, petro-chemical, refining, ink/paint, and cosmetics worldwide. Global Filter LLC was founded in 1999 and is based in Cedar Rapids, Iowa.

  • Standard Mesh Liquid Filter Bags – Mesh Bag Styles
  • Standard Felt Liquid Filter Bags – Felt Bag Materials
  • Standard Felt Liquid Filter Bags – Felt Bag Styles
  • Microfiber Liquid Filter Bags – High Efficiency Bag Materials
  • Microfiber Liquid Filter Bags – High Efficiency Bag Styles

Founded in 1973, Shelco offers one of the most extensive lines of filters and cartridges distributed and sold throughout the world.  The company’s product lines are made in the United States and meet the needs of countless industrial and high-purity applications.  This includes water and other in-plant liquids, gases, foods, beverages, chemical, petrochemical, pharmaceutical, cosmetics, photographic solutions, fuels, lubricants, paints and coatings, plating solutions, and more.  In addition to its new USF and USB housings, Shelco offers a complete line of industrial cartridge and bag housings, along with a complete line of disposable cartridges and bags.

  • MicroSentry™ HTF Series
Rosedale Products

Filter bags can be the ideal solution for your industrial filtration application needs. They are designed to remove contaminant and debris from liquids. The amount and size of contaminants the filter bags remove depends on their specific micron rating.

Rosedale has a large selection of filter media available to help solve your filtration problems. Our product offerings include:

  • Filter bags
  • Oil removal filters
  • Liquid filters
  • Filter cartridges
  • Perforated strainer baskets

This selection features a variety of options from low-cost, disposable filter bag media through high-performance filter cartridges, to cleanable stainless-steel liquid filter elements and oil filters.

  • Standard filter bag types
  • Graded density fat bags
  • X-TEND filter bags
  • Beta rated bags
  • High-efficiency filter bags
  • OA & OS Series filter bags
Knight Filter Company

Since 1972, Knight Corporation has manufactured liquid filter bags and other filtration products for industrial applications throughout the world. Knight Corporation has been family-owned and operated for over 35 years. We focus on offering the best personalized service, lead time, and quality in the industry. We have two convenient manufacturing locations to better serve you and our Houston office has a bilingual staff to better serve our Spanish-speaking clientele.



  • High efficiency liquid filter bags – 300 and 500 Series
  • Welded liquid filter bags
  • Standard liquid filter bags
  • Extended life liquid filter bags (XL)
  • Oil-thirsty and oil-sorbent filter bags
  • Custom filter bags