Uni-Flex Safety Caps for 12mm Culture Tubes & 13mm
BioPlas Safety Cap, Lavender, For 12mm Culture Tubes or 13mm Blood Collection Tubes, Designed to Hold under Centrifugation, Agitation, Refrigeration and Freezing, Liquid Tight Seal Prevents Sample Evaporation, Stretchable, Over-locking Design, Easy to Label - BPLS