... available 3. Customizable 4. All Stainless Steel All Stainless Steel manometer Case: stainless steelRing:stainless steelWindow:PCSocket and connection:stainless steelMovement ... :stainless steelBourdon tube: stainless steelPointer and dial:aluminumLiquid: glycerine, siliconeRange: vacuum, compound 0 to 6000 psiAccuracy Class:ASME B40.100 Grade ... 2 1/2", 3.0", 4.0" All Stainless Steel manometer