Oxygen face mask. Utilisation of the latest manufacturing technology has enabled the producer to combine two (non-PVC) materials in this mask. The material forming the body of the mask is clear and rigid enough to maintain the mask's shape. A second, softer material is utilised in the manufacture of the seal, which is in contact with the patient's face. The result is the new Intersurgical ECO Oxygen mask. This new manufacturing method required a complete redesign of the mask. This provided an ideal opportunity to make improvements in other areas. These include: An incurved face seal providing a vastly improved level of comfort On-chin positioning provides a better fit to a wider range of faces shapes A low elastic position eliminating trauma to the patient's ears Improved seal design eliminates the need for a separate nose clip Reduced impact on the environment