Our PDLC Series of glycerine-filled gauges offer an accurate, inexpensive option for your 4" pressure gauge needs. PDLC gauges are constructed with a stainless steel case, bronze bourdon tube and connection and a polycarbonate lens. All of our gauges come with a built-in snubber. PDLC standard gauge faces are designed with both PSI and BAR scales in a variety of ranges from 0 psi to 10,000 psi. Certificates of Accuracy are available for an additional cost.