Mash King Replacement Silicone Pin O-ring - 1/4" OD
This is the replacement O-ring for the pin on the Mash King bottle filler. The O-ring has a 1/4" OD with a 3/16" ID. Silicone is sanitary and food safe.
The o-ring fits onto the pin that stops the flow of liquid when pressure is not applied and helps to make a tight seal.