https://e-lastics.com/product/pc-polycarbonate/
Best Pc Polycarbonate Tube 15/10 - Plastic Rod | Plastic Sheet | Plastic Tube | Plastic Plate |...
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https://www.beckman.de/supplies/tubes-and-bottles/open-top-tubes/342080
342080, 15 mL, Open-Top Thickwall Polycarbonate Open-Top Tube, 18 x 98mm - 100Pk
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https://www.beckman.com/supplies/tubes-and-bottles/open-top-tubes/355635
355635, 3 mL, Open-Top Thickwall Polycarbonate Tube, 11 x 60mm - 25Pk
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https://www.westgroup.co.uk/Products/pressure-flow-control/Orifice-Restrictors/E-O-160153/
Polycarbonate 0.010" Orifice Restrictor, Buna-N Seal, 1/8" (3.2mm) ID Tube
Polycarbonate 0.010" Orifice Restrictor, Buna-N Seal, 1/8" (3.2mm) ID Tube
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