This listing is for ten (10) American made, latex-free humidifier adapter that will connect a humidifier to any oxygen concentrator that has a barb outlet. It is 15" long with a male B SIZE (9/16"-18) threads to fit all standard humidifier bottles. The other end is a flared female push-on connection to attach to concentrator barb outlets. When comparing prices, please beware of inferior Chinese imitations. This product ships Fast & FREE via First Class Mail. the humidifier bottle image is used for illustration purposes and IS NOT included in this offer.
