8900 Series Nasal & Mouth Breathing Masks
8900 Series Silicone Oro-Nasal (Full Face) Mask with Two-Way Non-Rebreathing Valve and Headgear. Applications include Stress/Exercise testing, Pulmonary Function Studies & Metabolic Measurements. Cold Chemical High Level Disinfection for reusability. Five mask sizes and three valve size combinations available.
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