FLEXThe Flex was designed to be the most versatile, upgradable and longest lasting small batch fermenter on the market. With currently over 20 accessories (and counting) you'll never run out of fun toys to bling your Flex out with. You can use the Flex as a simple bucket fermenter with an airlock or add some accessories to get you all the way up to a 15psi capable brite tank and anywhere in between! You can view all the Flex accessories HERE. All hardware