HY-1600-3-RB Hydrant Box Home » Products » HY-1600-3-RB Hydrant Box MIFAB® HY-1600-3-RB Series encased stainless steel hydrant box for 6” diameter core holes in tilt up construction with screwdriver operated cam latch. Specification Sheet Catalog Catalog List Pricing Current Catalog: CLPB-2022 Downloads Downloads Hydrant Selection GuideHydrant FeaturesHydrants Specifications Return to Products