ESP 201L-404B 4" Diameter Face Liquid Filled Gauge, 0-1 bar, 0-15-psi, 1/4" Bottom Mtg Stainless Steel Case, Brass Internals Log in for pricing
MetalWork 1210011U-KEYED-SAME 1/4" NPT Lockable Regulator, 0-30 psi (0-2 bar) with Lock & Key Log in for pricing