Home / Hose Couplings and Adapters / HPG- Pressure Gauge SKU: HPG Categories: Accessories, Gages, Hose Couplings and Adapters, Miscellaneous Description Description Part Number Description LIST HPG-100-H 300 psi Glycerine Filled (Harrington) $80.00Related products H30E- Storz x Storz Swivel: Elbow Adapter Read more HNHG- NH Gaskets- MADE IN USA Read more HTBC- Threaded Blind Caps- MADE IN USA Read more HSFR- Storz Adapters- x Female Rigid Read more