Supply of Hvac Items 393 Pressure Gauge 10 Mm Dia Pressure Gauge Oil Type 10 Mm Dia Temperature Guage 10 Mm Dia Temperature Guage Oil Type 10 Mm Dia Balancing Valve 25 Mm Dia 4 Inch Black Insulation Tape Synthetic Rubber Adhesive Ball Valve 20 Mm Dia Ball Valve 15 Mm Dia Air Release Valve 20 Mm Air Release Valve 15 Mm Thread Type Gi Syphon Nipple 15 Mm Dia Thread Type Gi Syphon Nipple 20 Mm Dia