Image Polycarbonate Refinery Fog Nozzle Markets Municipal Fire Jump to Section Product Options Related Products Product Options Part Number Size Thread Material RNB150NST 1-1/2" NST (NH) Polycarbonate RNB150S 1-1/2" NPSH Polycarbonate Related Products Image Domestic FM Approved Polycarbonate Fog Nozzle Image Gasket for Constant Flow & Refinery Fog Nozzle Image Polycarbonate Electrical Fire All-Fog Nozzle