This is a new box of 10 Sparksafe brand 3/4" explosion proof female unions.    Part number UF75S. They are an exact equivalent to Appleton UNF75NR    High quality steel, with class I div I ratings stamped on each piece.  I also have most other sizes in my store.  Check my feedback and buy with confidence.  We have been in business for 20+ years.  As with all my listings, your satisfaction is guaranteed.  I can ship same day ups if the order is received before 3:30 pm central.  Check my store for more fittings or contact me for items not listed.