For sale is an Alco Controls Moisture /Liquid Indicator, no. AMI-1FM4.  The indicator is new and unused and comes in the original box, with instructions printed on the inside of the box.  The box is rough and dirty and one flap is partially missing.  This indicator was bought at auction as a part of a large lot of excess hardware.  It is New-Old-Stock.  The indicator shown in the pictures is the exact one you will receive.  It will be shipped promptly from Missouri.  Thanks for looking.