Balliihoo 4 Inch Co2 Control Cap Barrel With Vent, Pressure Top Up and Test Valve

Amazon

The Balliihoo 4 Inch Control Cap Is Ideal For Those Wanting To Upgrade King Kegs And Premium Barrels With A 4 Inch Cap - To Enable The Topping Up Of Co2 Pressure And Testing The Pressure Within The Barrel Comes With A Standard Over Pressure Release / Vent And A Seperate Schrader Style Pressure Top Up And Test Valve To Top Up The Pressure You Will Require A Control Cap Top Up Tap And 16 Gram Threaded Food Grade Co2 Bulbs (Available Seperatly) The Barrel Pressure Can Be Monitored Using A Digital Pressure Gauge (Available Separately) The Square Section Rubber Cap Seal Supplied Is Far Superior To The Traditional "Round Section" O-Rings. This Ensures A Good Pressure Tight Seal Without The Need For Overtightening., Manufacturer: Balliihoo Homebrew

Balliihoo

The Balliihoo 4 Inch Control Cap Is Ideal For Those Wanting To Upgrade  King Kegs And Premium Barrels With A 4 Inch Cap - To Enable The Topping Up Of Co2 Pressure And Testing Comes With A Standard Over Pressure Release / Vent And A Seperate Schrader Style Pressure Top Up And Test Valve To Top Up The Pressure You Will Require A Control Cap Top Up Tap And 16 Gram Threaded Food Grade Co2 Bulbs The Barrel Pressure Can Be Monitored Using A Digital Pressure Gauge