4 Inch TC Pressure Lid with 2 Inch TC PortGet a better RAPT Pill WiFi reading with the all new Kegmenter Lid from KegLand. Suits any standard 4 Inch Tri Clover Ferrule. Reinforced Industrial Plastic 4 Inch TC pressure lid with 2 Inch TC port. Suits a 35psi RED Pressure relief valve and two carbonation caps. You can also fit a temp twister and 600mm thermowell probe into it. Due to the large 4 Inch Tri Clover diameter, it is difficult to get higher pressures without leaking. Therefore we