Underground Storage Tank Equipment Fill & Vapor Adapters Fill tank adapters are designed for conventional or coaxial riser cap applications Fill & Vapor Caps Designed for use with conventional & coaxial applications, colored gray for fill & orange for vapor Overfill Prevention Valves For use on dual point or coaxial drop tubes, gravity fed systems on new and existing systems. Ball Float Valves Ball Float Valves are designed to restrict product flow in the event of a UST overfill Extractor Fittings Available with a variety of port combinations to accommodate tank venting and vapor recovery Product ID Identifies the product grade on underground tanks for manholes & spill containment Emergency Shear Valves Replaceable shear section, compatible with E85, DEF, ULSD & Biodiesel Blends Up to B100. Ball & Check Valves Multi-puropose valves designed to maintain, monitor & check prime/working pressure Vents Designed to monitor & disperse vapors during and after product drops