Yellow Jacket 93843 &frac14;&rdquo; Compact Ball Valve - add to hoses for charging and recovery &ndash; 45 degree angle &ndash; &frac14;&rdquo; F.FL. x &frac14;&rdquo; M.FL 5/16 inch for r-410a applications where 5/16 inch system ports are used 5/16 inch are UL recognized to 4000 psi (276 bar) minimum burst, 800 psi (55 bar) maximum working pressure Made in the USA