Lot of 2 Advance Transformer VSM-175-S-1-TP Instant Start Ballast 277 Volts 60 H $70.0 Brand Advance Transformer Co. MPN VSM-175-S-1-TP Country/Region of Manufacture Unknown UPC 781087225028 condition New – Open box Lot of 2 Advance Transformer VSM-175-S-1-TP Instant Start Ballast 277 Volts 60 H - New in box and with some shelf wear, as pictured.mom - at kris's desk