Wall FlangeNeedle ValveFull Flow Nozzle1-7/8 Wheel HandleNeedle Valve Compression Operating CartridgeShank AssemblyMay Be Used with Most Laboratory GasesChrome Plate Finish937 Valve is Certified for Gas Service per ANSI Z21.15b-2006/CSA 9.1b-2006 by the Canadian Standards AssociationThis Item Ships 10 Business Days From Order Acknowledgement:
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Finally I found this Chicago Faucets 986-937WHAGVCP - Wall Flange with Needle Valve, thanks god. It has really good lasting. Chicago Faucets 986-937WHAGVCP - Wall Flange with Needle Valve requires almost no maintaince.