Oxygen Mask Product Code: MED 105 Specifications: Non- Sterile, individually packed in a polybag Size/Strength: Adult 210 cm (7ft), Child 210 cm (7ft) Description Made from special non-toxic medical grade PVC. Two holes to allow carbon dioxide exhaled by the patient to escape. Nasal clip for secure fixation over the patientâ??s nose. Elastic band for placement around the head. Transparent tubing to connect the mask to the oxygen source.