oil filled pressure gauge 1.size:1.5", 2", 2.5", 3", ... " 2.case:SS304 3.internals: brass 4.liquid filled pressure oil filled pressure gauge1.size:1.5", 2", 2.5", 3", 4 ... stainless steel10.dial and pointer: aluminum11.window: glass, polycarbonate12.pressure range: vacuum, 4psi-15000psi13.accuracy: 1%-1.6%Our company ... all clients with high quality products at competitive prices. oil filled pressure gauge