There is no maximum value.
2" O Ring Seal For Barrel Cap Fits Sandard Homebrew Pressure Barrels & Beer Keg
Replacement O Ring Seal For 2" Barrel Cap - Fits Homebrew Pressure Barrels & Keg
Home Brew - Replacement O Ring Seal For 2" Barrel Caps FREE P&P
Thick Keg Lid O ring Seal Kit For Ball Lock Cornelius / Corny Beer Keg. Homebrew
3 x High Quality Cornelius / Corny Keg Replacement O-ring Seal Kit. Home brew
Silicone Cornelius Keg O-Ring Seal Kit for Ball Lock Corny Beer Kegs - Homebrew
