Model: VM-2011, VM-2012, VM-2013 VM-2011 Size: S Dimension: 19.1 x 11.2 x 11.73 cm Weight: 130 g Material: silicone/ PC The GGM MDA series oronasal masks non-invasively direct airflow to patients from airway positive pressure devices, such as Continuous Positive Airway Pressure (CPAP) or Bilevel Positive Airway Pressure (BiPAP) equipment. Moreover, we supply a diverse selection of respiratory care products, including HEPA bacteria filters, high flow nasal cannulas, and head straps.