Product Details: Manufacturer Part Number: 1421D-0075|Type|Visi-Flo Sight Flow Indicator; Visi-Flo Sight Flow IndicatorMaterial|Carbon Steel; Carbon SteelIndicator Material|Size (Inch)|3/4Maximum PSI|200.0mmHg; 200.0psi; 200.0in; 200Connection Style|ThreadedWidth Across Flats|Sight Length|Thread Size|3/4 inThread Type|NPTFWindow Type|Window Material|GlassIndicator Type|Mount Type|Mounting Orientation|Horizontal; VerticalSeal Material|NeopreneDirection Of Flow|Right to LeftApplication|Chemical Industry; Cooling; Industrial Processes; Intake/Outlet Pumping Lines; Monitor and Verify Fluid Flow Through Filter; Petroleum Industry; Power Plants; Troubleshooting or As Backups for Meters, Switches, Process Indicators and Other Control DevicesFeatures|Dimensionally Interchangeable; Maintenance-Free Design; No-LeakFor Use With|LiquidStandards|ASME B1.20; ASME B16.5 150RFOverall Length (Inch)|4-1/4Working Temperature|250 FPSC Code|UNSPSC Code|