Glycerin filled for added durability where vibration is present.
Brass Liquid Filled Gauges – Series 2
By jsmcculloch|2017-11-06T07:15:41-06:00September 4th, 2011|All Duro United Gauges|Comments Off on Brass Liquid Filled Gauges – Series 2
Glycerin filled for added durability where vibration is present.