Glass-like clarity allows easy viewing of sample and pellets. A positive seal design allows repeated cap closures that will not pop during boiling. All tubes feature external graduation marks and frosted writing surfaces. Available in natural and five additional colors. All Microcentrifuge tubes…

These polyropylene microcentrifuge tubes feature attached leak-resistant flat snap caps. Each tube is molded with precise graduation marks for accurate measurements.  Mfr. No. 111562 & 111572 These 1.5mL and 2mL microcentrifuge tubes are lot certified to be RNase free, DNase free,…

Superior sealing with Patented Dual α Ring Seal technology, patent number D869275 Manufactured with ultra pure gasket seal materials in caps and medical grade ultra clear USP class 6 plastics for Tubes Double Start Threads provides greater thread contact area for superior strength…