... ,Non- pyrogenic,PP 2cone-bottom,plug-seal caps 3.Packing:in bulk(bag) 4.ISO FDA Detailed Product Description50ml PP centrifuge ... /case11-129215mlunpasteurised,Resistance to high temperature high pressure, in bulk1000pieces/case11-1293press cap,polyethylene,available in 17mm diameter tube1000pieces/case 50ml Centrifuge tube