DAIICHISEIKO Cooler Gum Cock

Possible to open a hole easily on your cooler box with thermal fusion and attach the hose of an air pump.
Possible to use the cooler box with shrimps and horse mackerel kept alive.

Pipe size for hole opening: 12 mm dia. ×195 mm.
Rubber stopper size: 12 mm dia.
Contents of set: One drilling pipe and two rubber plugs.