You can send a request for quote for p/n 7500-91 to Power Air Consulting using powerairconsulting.com. This part is manufactured by North Safety Products L L C. The description of it is Adapter Facepiece Tube Assembly. The national stock number associated with this part is 4240012503616. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with 7500-91 part requirements.