Brushes dissipate static while whisking away harmful dust, lint, and dirt from that could damage sensitive lab work. Synthetic fibers won't scratch critical surfaces. Handle is made from a conductive composite material. Manufacturers are producing unique laboratory brushes for every occasion and their line of lab brushes have expanded. From those with angled heads, to radial-tip brushes with stainless steel wire stems, Cole-palmer carries an extensive variety of brushes for every purpose. The sheer variety can be mind-boggling: lab brushes for Test tubes, centrifuge tubes, beakers, bottles, flasks, cylinders, burettes, and pipettes. Not to Mention specialty brushes to clean tanks, tubing, and carboys as well as other types of containers. Most brushes are made out of bristle, foam, and stainless steel wire. For specialty and other cleaning applications there's stainless steel scrub pads; utility and counter top brushes, scrub brushes, and static dissipating brushes. So If you're still trying to find the perfect lab brush for that 1 Litter bottle, contact a cole-parmer technical expert today.