I had the CO2PO double body that came with my keg system, and they are JUNK! They won't hold constant pressure, and my blow out valve stripped out after tripping in less than six months.So, I bought this one, and so far, very impressed. It's built very solid, seals easy, and actually holds the fricking pressure you set it to! You'd set the CO2PO, and as soon as you opened your valve, pressure would drop. Not so with this unit, I set it at 10 PSI, and it's been rock solid for a week now. It is trSee full review