... enzymes,proteins,DNA,heat etc Main Products: Universal Pipette Tips,Filer Tips,Centrifuge Tube,Microcentrifuge Tube,PCR Tubes,PCR Plate,Cryovial ... high clear PP Without any detectable DNA enzymes,RNA enzymes,proteins,DNA,heat and metal Products ListNo. DescriptionPackagePipette Tips(Universal ... Cryo Tube25pcs/bag,20bags/ctnEmpty Rack37Rack for 10ul,200ul,300ul50rack/ctn38Rack for 1000ul50rack/ctn