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Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
The Y99-38WRENCH square stem valve wrench is designed and recommended for use on cylinder valves with a 3/8" square stem, and a 1 ¼"valve packing nut. This type of valve is typical on cylinders containing products such as ammonia, chlorine, hydrogen sulfide, hydrogen chloride, hydrogen fluoride, and nitrogen trifluoride
