CO2 Pin valve with 2 slots Trinity $25.00 Default Title - $25.00 Quantity This product is currently out of stock. We may not keep this item in stock. Please fill in the form below and we will let you know availability! TRINITY CO2 PIN VALVEAll you need when you have to replaced your tired old Co2 pin valve.Standard CO2 Pin valve with 2 threaded holes, 1 Burst Disc and 1 open slot for a gauge or whatever you wantFits all sized CO2 bottles: 9oz, 12oz & 20oz.