You can send a request for quote for p/n 28928 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Walchem Corp. The description of it is Diaphragm Pump Special Shaped. The national stock number associated with this part is 4310013372120. 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 28928 part requirements.