KrosFlo® Perfusion Systems
Mesh Screens for Macrofiltration Separations

Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical, chemical and thermal characteristics to select from depending on your application.

Product Specifications & Properties
Mesh Type Mesh Opening: Water Affinity: Strength/Durability: Adsorption: Best Resistance: pH Resistance: Thermal Stability: Sterilization:
Nylon 5 - 1,000 µm hydrophilic high high corrosives pH 3-10 up to 180°C irradiation
Polyester 5 - 300 µm mildly hydrophobic high low alkalis / organic pH 3-10 up to 140°C autoclavable
Polypropylene 105 - 1.000 µm hydrophobic high (wet) low (inert) acids / alkalis / organics pH 2-14 up to 130°C autoclavable
PEEK 35 - 800 µm very hydrophobic medium very low (inert) nearly all pH 1-14 up to 250°C autoclavable
Stainless Steel 30 - 914 µm hydrophilic very high high corrosives pH 4-12 up to 180°C autoclavable / irradiation
Nylon Mesh
Part Number Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Qty/Pkg Price
148100 5 2 100 25 mm 10/pkg
148130 5 2 100 47 mm 10/pkg
145816 5 2 100 55 mm 10/pkg
145925 5 2 100 90 mm 10/pkg
146519 5 2 100 30 x 30 cm (sheet) 3/pkg
148101 8 1 75 25 mm 10/pkg
148131 8 1 75 47 mm 10/pkg
145815 8 1 75 55 mm 10/pkg
145924 8 1 75 90 mm 10/pkg
146518 8 1 75 30 x 30 cm (sheet) 3/pkg
148102 10 2 45 25 mm 10/pkg
148132 10 2 45 47 mm 10/pkg
145813 10 2 45 55 mm 10/pkg
145922 10 2 45 90 mm 10/pkg
146514 10 2 45 30 x 30 cm (sheet) 3/pkg
148104 20 14 55 25 mm 10/pkg
148134 20 14 55 47 mm 10/pkg
145811 20 14 55 55 mm 10/pkg
145920 20 14 55 90 mm 10/pkg
146510 20 14 55 30 x 30 cm (sheet) 3/pkg
148105 25 16 55 25 mm 10/pkg
148135 25 16 55 47 mm 10/pkg
145810 25 16 55 55 mm 10/pkg
145919 25 16 55 90 mm 10/pkg
146508 25 16 55 30 x30 cm (sheet) 3/pkg
148106 30 21 64 25 mm 10/pkg
148136 30 21 64 47 mm 10/pkg
145809 30 21 64 55 mm 10/pkg
145918 30 21 64 90 mm 10/pkg
146506 30 21 64 30 x 30 cm (sheet) 3/pkg
148108 41 33 60 25 mm 10/pkg
148138 41 33 60 47 mm 10/pkg
145807 41 33 60 55 mm 10/pkg
145916 41 33 60 90 mm 10/pkg
146502 41 33 60 30 x 30 cm (sheet) 3/pkg
148110 53 36 60 25 mm 10/pkg
148140 53 36 60 47 mm 10/pkg
145805 53 36 60 55 mm 10/pkg
145914 53 36 60 90 mm 10/pkg
146498 53 36 60 30 x 30 cm (sheet) 3/pkg
148111 60 45 55 25 mm 10/pkg
148141 60 45 55 47 mm 10/pkg
145803 60 45 55 55 mm 10/pkg
145912 60 45 55 90 mm 10/pkg
146494 60 45 55 30 x 30 cm (sheet) 3/pkg
148113 70 36 70 25 mm 10/pkg
148143 70 36 70 47 mm 10/pkg
145801 70 36 70 55 mm 10/pkg
145910 70 36 70 90 mm 10/pkg
146490 70 36 70 30 x 30 cm (sheet) 3/pkg
148115 100 47 78 25 mm 10/pkg
148145 100 47 78 47 mm 10/pkg
145799 100 47 78 55 mm 10/pkg
145908 100 47 78 90 mm 10/pkg
146488 100 47 78 30 x 30 cm (sheet) 3/pkg
148116 200 55 125 25 mm 10/pkg
148146 200 55 125 47 mm 10/pkg
145798 200 55 125 55 mm 10/pkg
145907 200 55 125 90 mm 10/pkg
146487 200 55 125 30 x 30 cm (sheet) 3/pkg
148117 300 50 200 25 mm 10/pkg
148147 300 50 200 47 mm 10/pkg
145797 300 50 200 55 mm 10/pkg
145906 300 50 200 90 mm 10/pkg
146486 300 50 200 30 x 30 cm (sheet) 3/pkg
146483 600 51 445 30 x 30 cm (sheet) 3/pkg
146482 710 45 350 30 x 30 cm (sheet) 3/pkg
146479 1000 58 1350 30 x 30 cm (sheet) 3/pkg
Nylon Mesh Samples Limit 1 per customer.
Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Sample
5 2 100 55 mm
8 1 75 55 mm
10 2 45 55 mm
20 14 55 55 mm
25 16 55 55 mm
30 21 64 55 mm
41 33 60 55 mm
53 36 60 55 mm
60 45 55 55 mm
70 36 70 55 mm
100 47 78 55 mm
200 55 125 55 mm
300 50 200 55 mm
Polyester Mesh
Part Number Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Qty/Pkg Price
148240 5 2 65 25 mm 10/pkg
148270 5 2 65 47 mm 10/pkg
145828 5 2 65 55 mm 10/pkg
145937 5 2 65 90 mm 10/pkg
146521 5 2 65 30 x 30 cm (sheet) 10/pkg
148242 10 2 55 25 mm 10/pkg
148272 10 2 55 47 mm 10/pkg
145831 10 2 55 55 mm 10/pkg
145939 10 2 55 90 mm 10/pkg
146524 10 2 55 30 x 30 cm (sheet) 3/pkg
148243 15 8 55 25 mm 10/pkg
148273 15 8 55 47 mm 10/pkg
145832 15 8 55 55 mm 10/pkg
145948 15 8 55 90 mm 10/pkg
146525 15 8 55 30 x 30 cm (sheet) 3/pkg
148244 21 15 70 25 mm 10/pkg
148274 21 15 70 47 mm 10/pkg
145833 21 15 70 55 mm 10/pkg
145940 21 15 70 90 mm 10/pkg
146526 21 15 70 30 x 30 cm (sheet) 3/pkg
148248 43 29 70 25 mm 10/pkg
148278 43 29 70 47 mm 10/pkg
145837 43 29 70 55 mm 10/pkg
145942 43 29 70 90 mm 10/pkg
146530 43 29 70 30 x 30 cm (sheet) 3/pkg
148250 60 29 87 25 mm 10/pkg
148280 60 29 87 47 mm 10/pkg
145840 60 29 87 55 mm 10/pkg
145954 60 29 87 90 mm 10/pkg
146533 60 29 87 30 x 30 cm (sheet) 3/pkg
148252 74 36 90 25 mm 10/pkg
148282 74 36 90 47 mm 10/pkg
145842 74 36 90 55 mm 10/pkg
145956 74 36 90 90 mm 10/pkg
146535 74 36 90 30 x 30 cm (sheet) 3/pkg
148253 80 39 90 25 mm 10/pkg
148283 80 39 90 47 mm 10/pkg
145843 80 39 90 55 mm 10/pkg
145945 80 39 90 90 mm 10/pkg
146536 80 39 90 30 x 30 cm (sheet) 3/pkg
148257 300 44 258 25 mm 10/pkg
148287 300 44 258 47 mm 10/pkg
148300 300 44 258 55 mm 10/pkg
145962 300 44 258 90 mm 10/pkg
148390 300 44 258 30 x 30 cm (sheet) 3/pkg
Polyester Mesh Samples Limit 1 per customer.
Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Sample
5 2 65 55 mm
10 2 55 55 mm
15 8 55 55 mm
21 15 70 55 mm
43 29 70 55 mm
60 29 87 55 mm
74 36 90 55 mm
80 39 90 55 mm
300 44 258 55 mm
Polypropylene Mesh
Part Number Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Qty/Pkg Price
148496 105 26 212 25 mm 10/pkg
148516 105 26 212 47 mm 10/pkg
145775 105 26 212 55 mm 10/pkg
145884 105 26 212 90 mm 10/pkg
146436 105 26 212 30 x 30 cm (sheet) 3/pkg
148498 149 34 193 25 mm 10/pkg
148518 149 34 193 47 mm 10/pkg
145773 149 34 193 55 mm 10/pkg
145882 149 34 193 90 mm 10/pkg
146432 149 34 193 30 x 30 cm (sheet) 3/pkg
148500 210 34 308 25 mm 10/pkg
148520 210 34 308 47 mm 10/pkg
145771 210 34 308 55 mm 10/pkg
145880 210 34 308 90 mm 10/pkg
146428 210 34 308 30 x 30 cm (sheet) 3/pkg
148501 250 31 430 25 mm 10/pkg
148521 250 31 430 47 mm 10/pkg
145770 250 31 430 55 mm 10/pkg
145879 250 31 430 90 mm 10/pkg
146426 250 31 430 30 x 30 cm (sheet) 3/pkg
148502 297 36 420 25 mm 10/pkg
148522 297 36 420 47 mm 10/pkg
145769 297 36 420 55 mm 10/pkg
145878 297 36 420 90 mm 10/pkg
146424 297 36 420 30 x 30 cm (sheet) 3/pkg
148503 350 34 525 25 mm 10/pkg
148523 350 34 525 47 mm 10/pkg
145767 350 34 525 55 mm 10/pkg
145876 350 34 525 90 mm 10/pkg
146422 350 34 525 30 x 30 cm (sheet) 3/pkg
148505 500 39 610 25 mm 10/pkg
148525 500 39 610 47 mm 10/pkg
145765 500 39 610 55 mm 10/pkg
145874 500 39 610 90 mm 10/pkg
146418 500 39 610 30 x 30 cm (sheet) 3/pkg
148508 840 46 725 25 mm 10/pkg
148528 840 46 725 47 mm 10/pkg
145762 840 46 725 55 mm 10/pkg
145871 840 46 725 90 mm 10/pkg
146412 840 46 725 30 x 30 cm (sheet) 3/pkg
148509 1000 45 1020 25 mm 10/pkg
148529 1000 45 1020 47 mm 10/pkg
145761 1000 45 1020 55 mm 10/pkg
145870 1000 45 1020 90 mm 10/pkg
146410 1000 45 1020 30 x 30 cm (sheet) 3/pkg
Polypropylene Mesh Samples Limit 1 per customer.
Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Sample
105 26 212 55 mm
149 34 193 55 mm
210 34 308 55 mm
250 31 430 55 mm
297 36 420 55 mm
350 34 525 55 mm
500 39 610 55 mm
840 46 725 55 mm
PEEK Mesh
Part Number Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Qty/Pkg Price
148800 35 22 71 25 mm 10/pkg
148801 35 22 71 47 mm 10/pkg
148802 35 22 71 55 mm 10/pkg
148803 35 22 71 90 mm 10/pkg
146802 35 22 71 30 x 30 cm (sheet) 3/pkg
148840 115 x 145 56 50 25 mm 10/pkg
148841 115 x 145 56 50 47 mm 10/pkg
148842 115 x 145 56 50 55 mm 10/pkg
148843 115 x 145 56 50 90 mm 10/pkg
146804 115 x 145 56 50 30 x 30 cm (sheet) 3/pkg
148860 220 56 128 25 mm 10/pkg
148861 220 56 128 47 mm 10/pkg
148862 220 56 128 55 mm 10/pkg
148863 220 56 128 90 mm 10/pkg
146806 220 56 128 30 x 30 cm (sheet) 3/pkg
148880 300 36 370 25 mm 10/pkg
148881 300 36 370 47 mm 10/pkg
148883 300 36 370 90 mm 10/pkg
146808 300 36 370 30 x 30 cm (sheet) 3/pkg
148940 800 45 750 25 mm 10/pkg
148941 800 45 750 47 mm 10/pkg
148942 800 45 750 55 mm 10/pkg
148943 800 45 750 90 mm 10/pkg
146814 800 45 750 30 x 30 cm (sheet) 3/pkg
Stainless Steel Mesh
Part Number Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Qty/Pkg Price
145827 30 30 50 55 mm 5/pkg
145936 30 30 50 90 mm 5/pkg
148985 30 30 50 30 x 30 cm (sheet) 2/pkg
145826 51 42 56 55 mm 5/pkg
145935 51 42 56 90 mm 5/pkg
148986 51 42 56 30 x 30 cm (sheet) 2/pkg
145825 104 45.2 102 55 mm 5/pkg
145934 104 45.2 102 90 mm 5/pkg
146439 104 45.2 102 30 x 30 cm (sheet) 2/pkg
145823 213 49.8 178 55 mm 5/pkg
145932 213 49.8 178 90 mm 5/pkg
146438 213 49.8 178 30 x 30 cm (sheet) 2/pkg
145817 500 57 330 55 mm 5/pkg
145926 500 57 330 90 mm 5/pkg
148987 500 57 330 30 x 30 cm (sheet) 2/pkg
145819 605 51 482 55 mm 5/pkg
145928 605 51 482 90 mm 5/pkg
146441 605 51 482 30 x 30 cm (sheet) 2/pkg
148931 914 52 712 55 mm 5/pkg
148934 914 52 712 55 mm 5/pkg
148989 914 52 712 30 x 30 cm (sheet) 2/pkg
Stainless Steel Mesh Samples Limit 1 per customer.
Mesh Opening Mesh Open Area % Mesh Thickness (µm) Disc Diameter Sample
30 30 50 55 mm
51 42 56 55 mm
104 45.2 102 55 mm
213 49.8 178 55 mm
500 57 330 55 mm
605 51 482 55 mm
914 52 712 55 mm
Web Discount GIF
Filtration Resources:

Product Brochure PDF icon


HF Filter Product Key PDF icon


Product Literature PDF icon


Fundamentals of Filtration


US Standards Sieve Sizes


Spectra/Mesh Application Guide


Chemical Compatibility Chart


Pore Size Chart


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