Micro Test Tubes are single use, flat bottom, silicone coated test tubes used as test cuvettes for blank and test samples for platelet function studies.Disposable Micro Test Tubes are for use with the PAP-8E Platelet Aggregation Profiler or PAP-4 Series Platelet Aggregation Profiler using Micro Volume Adapters.For Use with the PAP-8E and the PAP-4 Series Aggregometer