1/4" NPT Mini Pressure Dial Gauge S-1758 You can also find this

You can also find this S-1817 air plug included in this Milton ® coupler/plug and accessory kit: #S-224 (G-Style Coupler and Plug Kit)

offering 3 units of measurement readings (PSI

The 1/4" FNPT couplers are made of brass

these plugs offer up to 40 SCFM and 300 PSI

1/4" NPT Mini Pressure Dial Gauge S-1758 You can also find thisUse this pressure gauge for reliable service with compressors, regulators, air lines, pneumatic tools and equipment. Made up of brass mechanism, ABS case and a polycarbonate lens, this gauge is resistant to heat, corrosion, water, salt water and oil. Can also be used in steam applications if less than 120 degrees Fahrenheit. The 1 4" NPT pressure gauge has a center back mount and offers a pressure range of 0 to 60 PSI. 2" face diameter.