12x32mm test HPLC sample vials silicone slit septa RAM™ Large Opening Vials, 12x32mm, 9mm Neck Finish having a chemical reaction during sampling. testing, storage, or transport. 31509P-1232 9mm R.A.M.™ Black Closure, Bonded PTFE/Silicone Septa w/Slit. Get Price Vials and Closures Catalog 2014-2015 - Fisher Scientific