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Type "C" brass 2 inch female camlock (Cam & Groove) coupler to 2 inch hose shank
5 Stainless Steel Set screws
Wet and dry standpipes
Aluminum Female to Female Adapter
Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Type "C" brass 2 inchKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 1 1 2" configuration and is operated with a Knox FDC wrench controlled by the Fire Department. Ensures ready and reliable connections to fire sprinkler systems Protects check valves from freezing in cold climate areas Eliminates costly services to back