H6898 Dual Stage Pressure Regulator Series IR6000 Body Material 316L Stainless Steel Inlet Size 1/4 In. Outlet Size 1/4 In. Height 7-1/4 In. Connection Type NPTF Pressure Adjustment Range 1 to 30 psi Gauge Port Size 1/4 In. Seal Material PCTFE Max Temp 150 Degrees F Max Pressure 4000 psi