No installation required – Ready to use out of the box

and byproducts

One-touch automatic digital calibration

Full year supply: Three fluoride filters provide complete 12-month coverage

Certified lead-free to NSF/ANSI-372

Berkey Water view Spigot 10 inch for Royal and Imperial Berkey continuous monitoring No installation required – ReadyBerkey Sight GlassSpigot The Berkey Sight Glass Spigot provides an easy solution for viewing how much water your Berkey Water Filter system has left in it. Materials 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. Dimensions The Royal and Imperial Berkey use the 10" sight