You can send a request for quote for p/n HS25B to Power Air Consulting using powerairconsulting.com. This part is manufactured by Mine Safety Appliances Company. The description of it is Detector Hydrogen Sulfide. The national stock number associated with this part is 6665015707551. 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 HS25B part requirements.