Fowlers Vacola Fermentation Lid Set to get started with fermenting. The set includes a Fowlers Vacola Lid to fit Fowlers Bottle No.31, No.36 or No.65, lid clip, two rubber seals and an air lock. A great use for home grown vegetables and for making fermented foods containing beneficial probiotics to help restore gut health. Free recipes with every Fowlers Vacola Fermenting Lid Set.