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Filter Supports

Filter supports in a range of materials, including cellulose, porous plastic and stainless steel

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 MaterialPack SizePart Number
25Cellulose pad100225-28
25Stainless steel screen, wide meshEach225-2625Filter Supports
25Polypropylene pad (porous plastic)100225-2901
37Cellulose pad100225-27
37
Cellulose pad		500225-2700
37Cellulose spacer ring (NIOSH 5506 and 5515)25225-23
37Polypropylene pad (porous plastic)100225-2902
37Stainless steel screen, wide meshEach225-26Filter Supports
37Stainless steel screen, fine meshEach225-2637Filter Supports
47Cellulose pad100225-2903
47Stainless steel screen, wide mesh2225-2647Filter Supports
47Stainless steel screen, fine meshEach225-2647AFilter Supports