Berkey® Replacement Parts Black Berkey Replacement Wingnuts $2.49 White Rubber Blocking Plug for all Systems $2.49 Set of 2 Black Berkey Element Wing Nuts and 2 Washers Replacement Parts $10.00 Priming Button $2.49 Berkey Replacement Standard Spigot $15.00 Berkey Replacement Part Kit™ $34.00 Berkey® Filter Priming Starter Kit $22.00 Berkey Anti-Airlock Clip $4.00 Sport Berkey® Replacement Top with Straw $16.95 Empty Berkey System Chambers (System Only- No Filters) $105.00 – $312.00 Berkey Rubber Base $21.00 – $37.00