The most popular of the Radial Flow Nebulizer is manufactured from a material called Delrin. (as pictured here). This style of Nebulizer is also available as a special order item in other materials such as Aluminum, Brass and Stainless Steel. 

Stock #   01-200 (A,B,D, or SS)  Radial Flow Nebulizer                

A= Aluminum,  B= Brass,   D= Delrin,   SS= Stainless Steel

Stock #   01-201 Radial Flow Nebulizer Control Unit

Stock #   01-202 Radial Flow Nebulizer Replacement O-Ring Kit