This is a stout plastic pump especially made for Bi-O-Kleen’s 5 gallon
pails. Fits into hole in clamp down lid with a wide screw down cap. Marked
on one side to help estimate volume of each pump: 1/4 oz. to 2/3 oz.
Spring loaded for easy pumping.
Measures about 16" from the bottom of the cap to the bottom of the suction