String-wound Depth Filter Cartridges

A Long Service Life and High Contaminant Loading Capacity 

Pall’s string-wound depth filters are designed for advanced and efficient particulate removal performance and high contaminant holding capacity. Compared to traditional polypropylene or polyester materials, these filter cartridges use woven media yarn around the core and have high chemical, temperature, and process fluid compatibility. Available with 10+ different medium options these cartridges are also an economical low-cost choice compared to depth and pleated style filters. 

Depth Filter Cartridges
Depth Filter Cartridges
Pleated Filter Cartridges
Pleated Filter Cartridges

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Cartridge Length (Imperial)

39 in

Nexis® T Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 39 inches product photo

Nexis® T Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 39 inches

Product ID: NXT539UH21
Unit of Measure
10/EA
Min Order Qty
10
Micron
5 micron
Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 39 inches product photo

Claris® Filter Cartridges, Removal Rating 30 μm, Polypropylene, Length 39 inches

Product ID: CLR3039
Unit of Measure
12/EA
Min Order Qty
12
Length
102 cm / 40 in
Micron
30 micron

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches

Product ID: CLR139
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
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This product is currently not available. Please contact us for more information.

Claris® Filter Cartridges, Removal Rating 20 μm, Polypropylene, Length 39 inches

Product ID: CLR2039
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
20 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
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This product is currently not available. Please contact us for more information.

Poly-Fine® ARD, Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 Inches

Product ID: ARD139UNDOE
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
Nitrile
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Discontinued

This part is no longer available. Please contact us for more information.
Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches product photo

Nexis® A Series Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches

Product ID: NXA139UM18E
Unit of Measure
12/EA
Min Order Qty
12
Micron
1 micron

Nexis® A Series Filter Cartridges, Removal Rating 5 μm, Polypropylene, Length 39 inches

Product ID: NXA539U
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
5 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 39 inches, silicone

Product ID: CLR139M8S
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
1 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
Silicone
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Duo-Fine® II, Filter Cartridges, Removal Rating 3 μm, Length 39 Inches, Nitrile, Blank - DOE with elastomer gasket seals & end caps

Product ID: DFN339AN
Unit of Measure
12/EA
Min Order Qty
12
Removal Rating
3 µm
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
Nitrile
End Configuration
Blank - DOE with elastomer gasket seals & end caps
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Claris® Filter Cartridges, Removal Rating 50 μm, Polypropylene, Length 39 inches

Product ID: CLR5039
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
50 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
See All Attributes

Claris® Filter Cartridges, Removal Rating 10 μm, Polypropylene, Length 39 inches

Product ID: CLR1039
Unit of Measure
24/EA
Min Order Qty
24
Removal Rating
10 µm
Membrane Material
Polypropylene
Cartridge Length (Imperial)
39 in
Cartridge Length (Metric)
991 mm
Cartridge Length (Metric)
99.1 cm
Gasket / O-Ring Material
NA
See All Attributes

This product is currently not available. Please contact us for more information.

NXA 10-39U-M3E product photo

Nexis, NXA, 10 μm, 99.1 cm (39 in), SOE flat closed end, external 222 O-rings (retrofits other manufacturers’ Code 0), EPDM gasket

Product ID: NXA1039UM3E
Unit of Measure
12/EA
Min Order Qty
12
Micron
10 micron
18 Items

Description

String-wound filter cartridges are a type of depth filter cartridge that is made by weaving yarn (cotton, glass fiber, polypropylene, polyester, nylon, and polyphenylene sulfide (PPS))around a core usually of 304 SS or 316 SS. 

Product Highlights:
  • High chemical and temperature compatibility
  • 10+ different medium options 
  • Economical choice

Specifications

Product Attributes Values
String-Wound Filters Filter Medium
  • Bleached cotton
  • Standard cotton
  • Natural cotton
  • Glass fiber
  • Heat purified glass fiber
  • Premium polypropylene
  • Standard polypropylene
  • Rayon
  • Polyester
  • Nylon
  • Acrylic
  • Polyphenylene sulfide (PPS)
  • Polytetrafluoroethylene (fluoropolymer)

Filter Grade Range

 0.5 μm to 350 μm
Length 10.2 cm (4 in.) to 127 cm (50 in.)

Applications/Uses

Pall’s string-wound filter cartridges are used for a variety of applications, including chemicals and polymer, oil and gas, and microelectronics.

Chemicals and Polymer

  • Midstream Process Water 
  • Poly Commodity Raw Material (Fluids)
  • Poly Commodity Intermediates (Fluids)
  • Poly Engineered & Special Raw Material (Fluids)
  • Poly Engineered & Special Intermediate (Fluids)

Oil and Gas

  • Upstream Offshore Boiler Water
  • Upstream Offshore Produced Water
  • Upstream Onshore Produced Water
  • Upstream Onshore Surface Discharged Water
  • Midstream Process Water
  • Upstream Injection Water & SRU

Microelectronics

  • Acid etch systems - including Piranha Etch Solvent Strip applications
  • Most aggressive and/or high temperature acids or solvents

Chemicals

  • Polishing of chemical solutions
  • Bulk industrial chemicals
  • Solvents
  • Acids
  • Bases
  • Monomers
  • Process and cooling water

Magnetic Coatings

  • Audio
  • Video & computer tape
  • Floppy discs
  • Computer hard discs
  • Solvents

Photographic

  • Photo emulsions
  • Chemicals
  • Wash & rinse water

Oil Production

  • Well completion fluids
  • Water flood

Air & Gas

  • Compressed air
  • Instrument air
  • Nitrogen
  • Hydrogen
  • Helium
  • Freon
  • Most corrosive gases

Other

  • Solution mining
  • Deep well disposal
  • Paint
  • Ink & coatings
  • Lubricating oils
  • Electropolishing solutions
  • Plating solutions
  • Pigments & dyes
  • Cleaning fluids
  • Adhesives

FAQs

1. Which are the two series that Pall offers for string-wound filters?

Pall offers string-wound filters in the DFT Classic and Encore Series.

 

2. Why choose Pall’s string-wound depth filters?

Pall’s string-wound depth filters are designed for advanced and efficient particulate removal performance and high contaminant holding capacity. These filter cartridges have high chemical, temperature, and process fluid compatibility compared to traditional polypropylene or polyester materials and come with 10+ different medium options.