BioMasher I with 1.5ml Microtube with O-ring, PP filter, Cat. No.: FNK-NIP-1.5-O, Size 30 sets / 120 sets, Disposable Homogenizer for hard samples with small pore size with PE filter and WITHOUTut o-ring. BioMasher makes protein and nucleic acid extractions easier. It includes a micro homogenizer pestle, a filter column, and a collection tube. Add your sample to the filter column, manually homogenize, and spin at 15,000 x g for 10-30 seconds. Works with a wide variety of tissues and is an ideal preparatory step for many downstream applications.Not-sterile, non-autoclavable.