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 HNHG- NH Gaskets- MADE IN USA Read more HMLC- MultiLug Coupling with three part binding Read more HTBC- Threaded Blind Caps- MADE IN USA Read more H35- Female Swivel RL x Female Swivel RL Threaded Adapters (Double Female)- MADE IN USA Read more