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TSA-137 ASTM / ISO Testing Screen Tray for 4.5mm - 38µm (No. 4 - No. 400) Wire Cloth is a painted steel blank tray with no screen cloth. It is available as a replacement or supplemental unit. TSA-137 is designed for ASTM No.5 and finer mesh openings, and with ISO, mesh opening sizes of 4.5mm and finer.
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