Compatible with Eppendorf™, Finnpipette, Oxford Benchmate™, Pipetman™, Proline™, Rainin, Socorex, and other brands of pipetters Invitrogen Barrier tips prevent cross-contamination of samples by means of aerosol filter They are RNase- and DNase-free and are ideal for handling RNA, PCR applications, and for working with radioisotopes or toxic chemicals Each lot of tips is subjected to rigorous testing for RNase contamination and is certified to be nuclease-free DNA & RNA Purification & Analysis, General RNA Purification Reagents & Accessories, PCR, PCR & Real-Time PCR, RNA Extraction, Real Time PCR (qPCR), Total RNA Isolation, Total RNA from Animal Cells & Tissues, Transcriptome RNA Isolation, mRNA Isolation, microRNA Isolation