“Wine Tannin 50G” has been added to your basket. View basket Favourite Spare Air-Lock Grommet £1.40 6 in stock Favourite Spare Air-Lock Grommet quantity Add to basket Summary Specs Description Grommet used to hold airlock usually in the lid on a brewing vessel or plastic demi johns. Related products AccessoriesYoungs Leaf Hops Vacuum Packed Challenger 113g £9.20 5 in stockAdd to basket AccessoriesSandeland Safety Corks £2.65 3 in stockAdd to basket AccessoriesNylon Bottle Brush £4.70 9 in stockAdd to basket