Mask-in-mask design draws excess gas into vacuum, reducing ambient N2O. Soft inner mask creates desirable nasal/facial seal and seal can be seen through clear outer mask. Low profile expands clinical field of view and provides easier access to the mouth. Latex-free material protects patients and staff who have latex allergies. Nasal Mask, Pedo, Unscented, Grey, Single-Use, Disposable, 12/pk |