Pressure Gauge Features: Monitor your pressure with the A1 Mist Sprayer 24 Series Pressure Gauge. Featuring a 2” dial face that reads pressure from 0-100 PSI. Easily installs on mist sprayer with the ¼” MNPT brass bottom mount stem. Other features include an acrylic window and ABS standard steel for increased durability, Grade B accuracy, and non-filled.