Winters PEU Series Steel Dual Scale Economy Panel Mounted Pressure Gauge, 30"Hg Vacuum/kpa, 2-1/2" Dial Display, +/-3-2-3% Accuracy, 1/4" NPT Connection Most economical pressure gauge used for panels Black steel case Brass wetted parts Stainless steel crimp-on bezel Stud-style u-clamp design for secure panel mounting