Allows instant reading of water level in the lower chamber of your stainless steel Berkey water purification system.

7.5 inch Berkey Sight Glass Spigot use with the-Travel Berkey and Big Berkey-$49.00

10 inch Berkey Sight Glass Spigot use with the-Royal Berkey-Imperial Berkey-$52.00

13 inch Berkey Sight Glass Spigot use with the-Crown Berkey -$58.00

choose the size you want from the drop down which will show the added dollar amount to the base price of $49.00.