62.547.205 - Sarstedt 50ml Transparent Polypropylene (PP) Conical Base Screw Cap Tube 114 x 28mm with Cap Assembled - Pack of 250 Screw Top Tubes: Amazon.com: Industrial & Scientific
50ml Conical Tube – Genesis Lifetech
50 ml Conical Centrifuge Tubewith Conical Bottom, Leakproof Screw Caps, Sterile, up to 12000xg, Polypropylene (PP) (Pack of 25): Amazon.com: Industrial & Scientific