PMA 2020-S Tracheostomy Speaking Valve Adapter for use on Metal Tracheostomy Tubes

The Passy-Muir PMA 2020-S Adapter is used in conjunction with the PMV 2020 (Clear) (15mm I.D./23mm O.D.) to attach to the Premier Medical or Pilling Weck brand metal Jackson Improved tracheostomy tubes (sizes 4 - 6 or equivalent). Passy-Muir Product Number: PMA2020-S