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Filter Paper

ErtelAlsop offers the widest variety of high quality specialty filter paper available. From laboratory to full-scale production, we can supply the best product for your liquid filtration application. For many years filter paper has been widely accepted as one of the most versatile filter media available. Due to a basic formulation of cellulose fibers with or without wet strength resins, it is highly compatible and can be used for a wide range of applications. Filter paper provides a more economical solution for those applications requiring low solids retention or cake building properties. ErtelAlsop also offers a Pharmaceutical Grade Filter Paper, specifically for use in critical applications where lot to lot traceability is required. Our P-Grade Filter Paper is composed of cellulose pulp with all virgin raw materials, RO water, and the option of wet strength resin. Each batch is lot numbered allowing for lot to lot traceability and batch to batch quality assurance. When compared to standard grades of filter paper, our Micro-Media® Pharmaceutical Grade Filter Paper provides superior quality, lower extractable levels and greater consistency.



  • Smooth or creped surface
  • Bleached or unbleached
  • Wet strength resin or 100% cellulose
  • All raw materials are listed as safe for contact with foods and/or pharmaceuticals
  • Available to fit virtually any filter
  • Retention ranges from 1 micron to 100 microns



  • 2000 Series:  Unbleached, smooth, cellulose, wet strength resin
  • 3000 Series:  Unbleached, smooth, 100% cellulose
  • 4000 Series:  Unbleached, creped surface, cellulose, wet strength resin
  • 5000 Series:  Unbleached, creped surface, 100% cellulose
  • 6000 Series:  Bleached, smooth, cellulose, wet strength resin
  • 7000 Series:  Bleached, smooth, 100% cellulose
  • 8000 Series:  Bleached, creped surface, cellulose, wet strength resin
  • 9000 Series: Bleached, creped surface, 100% cellulose

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About us


D & D Filtration is one of the largest stocking distributors in the Northeast serving All New England States, New York, New Jersey, Delaware, Maryland, Virginia,and Eastern Pennsylvania.The company was started in 1988 and serves a diverse filter market that includes Biopharmaceutical, Semiconductor, Coating, Chemical, Industrial, Food and Beverage, Utility, and other industries. D & D Filtration not only provides product and service, but also consults to assist in resolving many of the most difficult problems in filtration.

Location Services

612 Four Rod Road, Kensington, CT 06037
Hours: 8:00 a.m.  -   4:30 p.m.

Contact us

If you need support, please call: (860) 829-3690

or send us an email to: This email address is being protected from spambots. You need JavaScript enabled to view it.

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