Reduce the risk of contamination and maintain purity with the ULTREX™ bottle-top dispenser specifically designed for use with ULTREX™ II acids. This Teflon PFA or TFM (modified PTFE) constructed dispenser will eliminate leaching and airborne contamination, minimize waste and enhance safe handling. Acid pre-cleaned to maintain < 0.1 ppb metal blank levels in routine use. All wet parts are constructed with Teflon to maintain product purity. Each unit comes with a PTFE air filter to reduce risk of airborne contamination.