The original Easy Fermenter has a waterless airlock valve that lets carbon dioxide out but stops oxygen, mold, and bacteria from getting in. It'S manufactured to a much higher standard than the valve our competitors use' and the entire lid is constructed from higher quality, stiffer plastic that means it's easier to remove, and it will also last much longer. you'll never have to ferment alone - and we've been fermenting for years, so we've tried every solution out there, including burping our Fermenting Club is an online community with thousands of active members. Inside the club you'll find a detailed knowledge base with hundreds of searchable questions and answers, dozens of recipes, detailed "quick start" guides to help you get started without hassles, and detailed video series to walk you through the entire process step by step. Even complete beginners can get a perfect ferment their very first time with our system. The easy fermenter is loaded with features built-in date tracker, so you don't even need to label your Take a look at the chart below to see which fermenting product is best for you. My Mason Makes...Fermenting Kit - 3 Pack + Pump Easy Fermenter Combo Kit Waterless Value Technology 4 Wide Mouth Lids, 4 Storage Caps& 4 Fermented Cap& 1 Flip Cap, 1 Coarse Filter&1 Fine Filters&1, Handle&3 Pump (jars not included) Compatible With My Mason Makes(Multi-Purpose) Additional Uses General Mason Jar Storage.