This Fermonster is a brand new carboy designed specifically for fermentation. The 6 gallon size is great for most home brew fermentations. The smooth sides are fantastic for sanitization - no ribs or texture to collect yeast or bacteria. The punted bottom allows sediment to collect to the sides so that you can siphon liquid from the center. Because this carboy is made from virgin PET plastic it's nearly unbreakable and a lot safer than similar glass carboys. Due to the thicknes of the material and the overall geometry the Fermonster does not require ribs or dimples for stability. That results in a super smooth interior surface that reduces yeast and sediment buildup making it the easiest to clean, most sanitary PET carboy on the market.