Next Product Collins Youldon PPV Vent (Aluminium) 4 mbar (0.4 kPa) Part No. JTS000292 Category: Vent Valves Description Additional information Brand Description 1 1/4″ BSP With 4 mbar (0.4 kPa) Nominal Vacuum Setting Additional information Manufacturer Collins Youldon Product Vent Valves Brand Collins Youldon Related products Vent ValvesCobo Pressure Vent Valve COBO 100mb Vent ValvesEmco 3″ Sequential Vapour Vent Vent ValvesEmco Vent Valve 2″ BSP 100/20mb – Alloy Vent ValvesEmco Vent Valve 2″ BSP 70/20mb – Plastic