Ross Detroit Size 3 4 Air Valve 2 1 60 115V Pilots Muffler 13507

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  For sale is a Ross Detroit Size 3/4 Pneumatic Valve with Dual Pilot
  Valves and Exhaust Muffler.  Valve body is labeled: Ross Detroit,
  Size 3/4, 2573A5030.	Pilot valves are labeled: Ross Detroit, 435C93,
  115V, 60Hz.  Equipped with Allied Witan Type M12 "Atomuffler" exhaust
  muffler.