Pressure Guage In Stock Thread Size: 1/4″ BSP Male (HT-320) Rugged construction Glycerine filled Standard follow in general EN 837-1/ General EN 837-1 Warranty: 12 months Dial: 2.5″ Category: Accessories Related products Metallic Impact Sprinkler (Domestic) Valve Boxes Air Release Valve Raingun Trolly/Stand Three Arm Rotating Sprinkler