View 2 of PATIKIL 20ml Centrifuge Tubes, 10 Pcs Glass Graduated Centrifuge Vials with Screw Cap Conical Bottom Test Tube Storage Container for Sample Laboratory Liquid

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View 1 of PATIKIL 20ml Centrifuge Tubes, 10 Pcs Glass Graduated Centrifuge Vials with Screw Cap Conical Bottom Test Tube Storage Container for Sample Laboratory LiquidView 2 of PATIKIL 20ml Centrifuge Tubes, 10 Pcs Glass Graduated Centrifuge Vials with Screw Cap Conical Bottom Test Tube Storage Container for Sample Laboratory Liquid