Model 78-40 Air Filter Regulator, 5-100psi range, 1/4" NPT Connection In/Out, 1/8" NPT Gauge Port, c/w Mounting Bracket. Please feel free to get in touch should you require further information/documentation.
For the optional gauge, please see the following link: Output Gauge 0-100psi
Dimensions: 14 x 14 x 5cm
HS Code: 84819000