Image U.S. Coast Guard Approved Fog Nozzle Jump to Section Product Options Related Products Product Options Part Number Size Thread Material CGN150NST 1-1/2" NST (NH) Brass CGN250NST 2-1/2" NST (NH) Brass Related Products Image U.S. Coast Guard Approved AFFF/Water Fog Nozzle Image U.S. Coast Guard Approved AFFF/Water Fog Nozzle with Pistol Grip