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 Depth Filter Cartridges
Pleated Depth Filter Cartridges

Order Products

Product Use

Air, Gas, and Vent Filtration

FEATURED

Emflon® PFRW Filter Cartridge, AB1PFR7WH4

Product ID: AB1PFR7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
8000 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes
FEATURED

Emflon® PFRW Filter Cartridge, AB1PFR3WH4

Product ID: AB1PFR3WH4
Unit of Measure
1/EA
Min Order Qty
1

Emflon® PFRW Filter Cartridge, AB1PFR8WH4

Product ID: AB1PFR8WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.2 µm
Membrane Material
Double Layer PTFE
Effective Filtration Area (Metric cm²)
8000 cm²
Filter Cartridge Style
Code 8
Cartridge Length (Imperial)
10 in
Cartridge Length (Metric)
254 mm
See All Attributes
Claris, Polypropylene, 20 micron, 20 inch product photo

20µm, 20", DOE (no seal)

Product ID: CLR2020
Unit of Measure
24/EA
Min Order Qty
24
Length
50.8 cm / 20 in
Micron
20 micron
Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 10 inches product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 10 inches

Product ID: CLR110
Unit of Measure
36/EA
Min Order Qty
36
Length
25.4 cm / 10 in
Micron
1 micron

AB2P20018JDUP

Product ID: AB2P20018JDUP
Unit of Measure
1/EA
Min Order Qty
1
Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 20 inches

Product ID: CLR120
Unit of Measure
24/EA
Min Order Qty
24
Length
50.8 cm / 20 in
Micron
1 micron

Profile® Star Filter Cartridge, AB3A0157WH4

Product ID: AB3A0157WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
1.5 µm
Membrane Material
Polypropylene
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
See All Attributes
Emflon® PFA membrane filter cartridge, 0.2 µm bioburden reduction, 5-inch length, double-o-ring (silicone) with bayonet lock and flat end product photo

Emflon® PFA membrane filter cartridge, 0.2 µm bioburden reduction, 5-inch length, double-o-ring (silicone) with bayonet lock and flat end

Product ID: AB05PFA2PVH4
Unit of Measure
1/EA
Min Order Qty
1
Sterilization Option(s)
Suitable for Autoclave or SIP
Filter Cartridge Style
Code 2
Cartridge Length (Metric)
127 mm
See All Attributes

Ultipor® N66 Filter Cartridges, AB3NB7WH4

Product ID: AB3NB7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Membrane Material
Nylon
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
Cartridge Length (Metric)
76.2 cm
See All Attributes

Oenopure™ Filter Cartridges, AB3GB7WH4

Product ID: AB3GB7WH4
Unit of Measure
1/EA
Min Order Qty
1
Removal Rating
0.45 µm
Membrane Material
Hydrophillic Polyethersulfone
Effective Filtration Area (Metric cm²)
1.8 cm²
Filter Cartridge Style
Code 7
Cartridge Length (Imperial)
30 in
Cartridge Length (Metric)
762 mm
See All Attributes

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

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, DOE industrial (no end caps) product photo

Claris® Filter Cartridges, Removal Rating 1 μm, Polypropylene, Length 30 inches, DOE industrial (no end caps)

Product ID: CLR130
Unit of Measure
12/EA
Min Order Qty
12
Length
76.2 cm / 30 in
Micron
1 micron
43 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.