... oil filled pressure gauge 1.size:1.5", 2", 2.5", 3", 4", 5", 6" 2.case:SS304 3.internals: brass 4.liquid filled pressure oil filled pressure ... was established in 2003 to manufacture pressure gauges, thermometers, timer and plumbing accessories. With experience, we have built up ... to fill, please contact us with your details. We guarantee to provide all clients with high quality products at competitive ...