Berkey Sight Glass™
The Berkey Sight Glass™ Spigot provides an easy solution for viewing how much water your Berkey Water Filter system has left in it.
The high-quality sight glass spigot is made to commercial specifications from machined aluminum and food-grade polypropylene. All parts of the spigot that touch your drinking water are made of glass and food-grade polypropylene.
The Royal and Imperial® Berkey use the 10" sight glass spigot
The portion of the spigot that extends out from the lower chamber measures approximately 3 5/8 inches.