Based on this product's specifications, here are some alternatives and similar models
Pressure Gauge FERRO M6306A 63 mm, 1/4" connection, 0–6 bar, axial rear
Summary description:
FERRO M6306A is an axial rear pressure gauge with a 63 mm dial and 1/4" connection, measuring 0–6 bar. Designed for monitoring pressure in hydraulic and pneumatic systems, boilers, compressors and pipelines. The compact 63 mm size suits panel mounting and confined spaces, providing clear analog readout for maintenance and safety checks.