Labnet Carrier 7x5ml/7ml Vacutainer For C0300-12 2 Pack. OpticsPlanet Inc is an Authorized US Distributor for Labnet Centrifuges. Labnet C0300-126 Carrier 7 x 5ml/7ml vacutainer for C0300-12 is designed to work with: Labnet Z300 and Refrigerated Z300K...