Description TORNADO® HPLC reservoirs (U.S. Patents: Des. 350,609 & 5,275,723) have two bottom cavities, one for a TORNADO® PTFE stirrer and the other for a mobile phase inlet filter; an autoclavable red plastic coat (not shown) that absorbs UV up to 385nm; a 45mm thread cap. One PTFE TORNADO® stirrer is included with each reservoir. Application Notes BP-1901
