Apparatus for controlling air flow through nasal passages
Breathing equipment
Device and method for improving breathing
Device for improving breathing
Emergency air supply worn as normal apparel
Equaliztion system for a diving mask
Gas mask nose occluder
Method for dilating respiratory passages
Nasal protective method and device
Nasal sealer and filter
Nose clip
Nose clip for aquatic usage
Nose clip for respirators
Nostril closure means
Personal emergency breathing hood with nose blocking device
Pressure equalizing mechanism for a diving mask
Protection mask, in particular for underwater use
Protective breathing apparatus including a mask and mouthpiece
Protective helmet having nose passage closure elements
Respirators