The AQUASTIC SUP board manometer is a reliable tool for monitoring the air pressure of your SUP board and other products equipped with a "Halkey Roberts" valve. With its precise readout and robust construction, the AQUASTIC manometer ensures accurate measurements and long-lasting use. The AQUASTIC manometer is compatible with a wide range of products, including SUP boards, high-pressure kayaks and wingfoils that are equipped with the Halkey Roberts valve" . This versatile tool allows you to control the pressure in different types of water equipment , adding to its versatility and functionality. The manometer allows you to read the pressure up to a maximum of 29 PSI (2 BAR), ensuring you can accurately monitor the inflation level of your SUP board or other equipment. An accurate pressure reading is crucial for optimal performance and safety when using your water equipment.