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Needlefelt Bag Filters

The first line in protection on industrial processes

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ClearPore Bag Filters are offered in a range of materials to cover a wide range of chemical compability and temperature conditions. The multi-layer construction of the filter bag ensures high levels of contaminant holding and high removal efficiency. Bags are manufactured either in a sown or all welded construction.

All replacement bag filters come in identical dimensions to your current filter bags, ensuring effortless replacement without sacrificing performance.

Pore Filtration can also offer ClearPore Bag Filters in combination with PVBI industrial or PVBH hygienic bag filter housings for industrial filtration systems for new installation or plant expansions.

Why Choose PoreFiltration?

  • Extensive product range
  • Best Price GUARANTEED!
  • Specialist support team with deep knowledge of liquid & gas applications
  • Reliable quality and delivery.

Technical details

  • Filter Medium: Non-woven - Polypropylene, polyester, Nylon, Nomex, & PTFE - Sown and fully welded construction

  • Bag diameters available: 7", 4"

  • Available sizes: 1, 2, 3 & 4

  • Available micron ratings: 0.5, 1,3, 5, 10, 20, 30, 50, 75, 100, 250, 500, & 1,000μm

  • Maximum operating temperature: PP 900C, Nylon 1100C, PE 1400C, PTFE 2600C

  • Maximum differential pressure: 60psid @70°F (4.1 Bar @ 30°F) 

  • Recommended changeout differential pressure: 37psid (2.5 Bar) @ 30°F

  • Available collars: A range of collars and rings available to allow retrofitting of existing housings

  • Quality: All filter bags are supplier silicone-free


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Technical details [Product A] 

Filter Medium Polypropylene
Available Lengths 

9.75" (24.8cm), 10.0" (25.4cm), 20.0" (50.8cm), 30.0" (76.2cm), 40.0" (101.6cm)

Available Micron Ratings 

0.5, 1,3, 5, 10, 20, 30, 50, 75, 100μm

Internal Diameter 

1.1" (28mm) / 4.5" (114mm)

External Diameter 

2.5" (63mm)

Max Operating Temperature  XX degrees 
Maximum Differential Pressure

 60psid @ 70°F (4.1 Bar @ 30°C) 50psid @ 122°F (3.4 Bar @ 50°C) 30psid @ 158°F (2 Bar @ 70°C) 15psid @ 180°F (1 Bar @ 82°C)

Recommended Changeout Differential Pressure

37psid (2.5 Bar) @ 30°C


All filter bags are supplied free of Silicone. FDA Approved. EU XXX.




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Talk to us today about your filtration requirements

  • Extensive product range
  • Best Price GUARANTEED!
  • Specialist support team with deep knowledge of liquid & gas applications
  • Reliable quality & delivery