Standard Push-in Style White Blocking Plug To Suit Stainless Berkey Systems (each)

Rubber plug (White silicon) for blocking unused filter holes in the upper chamber of the Big Berkey and other stainless steel systems All Big Berkey systems come standard with the proper amount of blocking plugs; in case of loss or damage, replacement plugs may be purchased individually Sold as each (1) As supplied with Big Berkey 8.5L (XRP-WHT)