Blichmann 20 Gallon Wine EasyFermentor The Wine Easy is truly a revolutionary new process to ferment and press wine in the same vessel, Since the wine is pressed in the same vessel it is fermented in.Purchase a piston assembly to match your fermentor size. If you have multiple fermentors ofONE size you only need ONE piston.In choosing the right size these fermentors are designed to be filled about 75% full of must (to allow for cap rise), and typical press efficiencies will be about 60-70%When purchasing the vacuum press kit, you will only need ONE vacuum press kit for your winery no matter what quantity or size fermentors you have. The vacuum press kit can also be used to degass your wine!The fermentor is sold seperatly from the pressing piston, Vacuum press kit, and leg extensions.You can find these items on our website!