EMS Markers 3M EMS Full Range Marker - Blue For point marking up to 8’ below ground Specification Sheet 3M EMS Full Range Marker - Green For point marking up to 8’ below ground Specification Sheet 3M EMS Full Range Marker - Yellow For point marking up to 8’ below ground Specification Sheet 3M EMS Ball Marker - Blue For point marking up to 5’ below ground Specification Sheet 3M EMS Ball Marker - Green For point marking up to 5’ below ground Specification Sheet 3M EMS Ball Marker - Yellow For point marking up to 5’ below ground Specification Sheet 3M EMS Near Surface Marker - Blue For point marking up to 2’ below ground Specification Sheet 3M EMS Near Surface Marker - Green For point marking up to 2’ below ground Specification Sheet 3M EMS Near Surface Marker - Yellow For point marking up to 2’ below ground Specification Sheet product categoriesBrass Waterworks Components Brass Meter Couplings Meter Flanges Cathodic Protection Coatings Polywrap Fasteners & Gaskets Flange Bolt Sets Flange Packs Gaskets MJ Bolt & Gasket Sets Packaged Fasteners T-Heads Fire Hydrant Adapters & Accessories Hydrant Adapters Hydrant Adapter Accessories Locating & Marking EMS Markers Magnetized Tracer Stations Marking Flags Marking Paint Marking Tape Tracer Wire Wire Connectors Miscellaneous Aquashield Lead-Free Brass Water Valves Natural Gas Coiled Gas Pipe Natural Gas Risers Poly Fittings Poly X Steel Transitions Regulators Underground Compression Fittings Valves Yellow Tracer Wire & Connectors Tools & Fabrication Digging & Striking Tools Utility Tools Valve Stem Extensions Valve Wrenches Water Tubing & Fittings Couplings Pipe Inserts Water Tubing