Sight-Rite flow indicator quickly and safely confirms that fluid is being dispensed, as each pulse of liquid cycled through it activates green LED. It suits lubrication or process equipment that delivers fluid up to 0.012 in.3/cycle. Epoxy and acetyl body resists chemicals and solvents. Internal mechanisms are made of brass and stainless steel to resist corrosion. Inlet and outlet connections are 1/8 FNPT.