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Welded Construction Filter Bags

SENTINEL filter bags represent the industry standard in bypass-free filter construction. Available in polyester and polypropylene materials, all SENTINEL filter bags feature:

  • SENTINEL Pressure Actuated Seal Ring
  • Silicone Free Needled Felt
  • Super Strong Welded Construction
  • Non Migrating Media Construction

Proprietary Construction

Proprietary construction processes produce a reliable, durable filter bag. All seams are fully welded, producing strong, reliable joints with no by-pass or loose sewing thread. Seams are both strong and flexible, allowing the filter bag to form to the restrainer basket. The seam edges are heat sealed, eliminating possible loose fibers. This results in a filter bag with durable performance for the most demanding applications.


All SENTINEL filter bags utilize the SENTINEL seal. Its all-plastic construction provides a flexible, chemically resistant seal which adapts to any filter housing. This unique design employs a pressure activated sealing lip which responds to increases in differential pressure. As the pressure increases, the seal of the ring improves, insuring by-pass free performance over all ranges of pressure, temperature and micron rating. The elevated bag handles make removal of the bag from the vessel quick and easy. When a SENTINEL filter bag is installed into an Eaton filter vessel, the ring snaps into place, holding its position until the vessel is closed.

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Filter Bags Tags


Material of Cons

  • Poly pro / Food Grade
  • Polyester / Food Grade
  • Nylon
  • Mesh

Filter Rating

  • Absolute (99% ↑ )
  • Nominal (99% ↓ )



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  • Eaton
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  • Hydro Systems International
  • CSE
  • Delta Pure
  • DrM
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  • Global Enviromental
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  • IPM
  • Lakos
  • Parker
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  • Porvair
  • ResinTech
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  • TopLine
  • Trisep
  • Zenpure
  • ACSC
  • Strainrite
  • Capsule Technologies
  • Peco
  • GEA
  • Seebach

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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