Filter Supports

Various materials are used to support filters during sampling.

  • Cellulose supports feature a smooth surface and uniform air flow distribution
  • Porous plastic pads are impervious to most solvents
  • Use stainless steel screens when cellulose or plastic will interfere with analysis
Diameter (mm) Support Material Pack Size Part Number  
25 Cellulose pad 100 225-28 no image
25 Stainless steel screen, wide mesh Each 225-2625  225-2625 Stainless steel screen, wide mesh, diameter 25mm 225-2625 Stainless steel screen, wide mesh, diameter 25mm
25 Polypropylene pad (porous plastic) 100 225-2901 no image
37 Cellulose pad 100
500
225-27
225-2700
no image
37 Cellulose spacer ring (NIOSH 5506 and 5515) 25 225-23 no image
37 Polypropylene pad (porous plastic) 100 225-2902 no image
37 Stainless steel screen, wide mesh Each 225-26  225-26 Stainless steel screen, wide mesh, diameter 37mm 225-26 Stainless steel screen, wide mesh, diameter 37mm
37 Stainless steel screen, fine mesh Each 225-2637  225-2637 Stainless steel screen, fine mesh, diameter 37mm 225-2637 Stainless steel screen, fine mesh, diameter 37mm
47 Cellulose pad 100 225-2903 no image
47 Stainless steel screen, wide mesh 2 225-2647  225-2647 Stainless steel screen, wide mesh, diameter 47mm 225-2647 Stainless steel screen, wide mesh, diameter 47mm
47 Stainless steel screen, fine mesh Each 225-2647A  225-2647A Stainless steel screen, fine mesh 225-2647A Stainless steel screen, fine mesh, diameter 47mm
Filter Supports

225-2625/-26/-2647

Filter Supports

225-2637/-2647A

Filter/Cassette Selection GuideFilter/Cassette Selection Guide
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