NTA SS-PG stainless steel union straight reducer/stainless steel union straight push in fitting/stainless steel different tube diameter one touch tube fitting/stainless steel push to connect fitting is used to connect tubing at different diameters at the same direction. It is high resistance to aggressive environments, all fluids compatible with the fittings and tubing component materials excellent for conveying aggressive fluids, hygienic external design for reducing retention zones, proven gripping technology. Wide range of applications: perfect for permanent contact with foodstuffs, excellent in saline environments and outdoor applications, resistant to industrial cleaning agents and detergents, compatible with polymer and grooved stainless steel tubing. resistant to hammering, mechanical shock and impulse, manual connection and disconnection, no tools required.100% leak-tested in production. 316 stainless steel fittings, 304 stainless steel fittings, stainless steel hygienic fittings,stainless steel bulkhead connectors, stainless steel push-in fittings,stainless steel push-to-connect fittings,stainless steel pneumatic fittings,stainless steel instant fittings, stainless steel quick fittings, stainless steel connectors, stainless steel swivel fittings Applications: food process, paper industry, petrochemical, pharmaceutical, chemical, medical