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 HWS- Water Shields Read more HTBC- Threaded Blind Caps- MADE IN USA Read more H30E- Storz x Storz Swivel: Elbow Adapter Read more HSFS- Storz Adapters- x Female Swivel Rocker Lug Read more