Universal R12 Oil Injector by Four Seasons®. 10 in. hose with check vavle. Adapter FS Part 69512. Heavy duty barrel injector with external cylinder scale. Instructions included. R12 & R134A. Four Seasons products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four Seasons.
