Replacement Kit for Berkey Light System w/ Black Berkey Elements (large plugs)
Replacement Kit For Berkey Light system : comes with either Large Blocking Plugs or Small Blocking Plugs in Kit, based on date of Berkey Light purchase.
Please identify the manufacturing date on the Berkey Light system to determine which size blocking plug is required. The manufacturing date may be found on the embossing on the bottom of the upper chamber. If the two-digit number in the circle is 13 or lower, the XRP- SM plug is needed. If the two-digit number in the circle is 14 or larger, the XRP-LG plug is needed