This 6 to 8 in Deringer air gap assembly will capture and evacuate mild water discharge from the relieve valve caused by daily fluctuation in system/supply pressure. The air gap is made of 5G 304 stainless steel. The assembly includes air gap shield, air gap reducer, air gap bracket and all required hardware. This air gap assembly can be used on the 6 to 8 in Deringer 40/40G, 40X/40GX, 50/50G and 50X, 50GX models.