Aerotec Environmental Measurements Accessories Manometer 622832 - Aerotec 9052069, Manufactured by Aerotec, the Manometer 9052069 features a back-side external thread of 1/4 inch. This pressure gauge connector ensures reliable pressure readings and is typically used in pneumatic systems. Ideal for industrial or workshop settings, it is sold as a single unit. Aerotec 9052069 Manometer Connector 63mm 16 Bar Vertical 1/4" AG