“Muslin Bags” 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 AccessoriesNylon Jar Brush £4.70 9 in stockAdd to basket AccessoriesYoungs Leaf Hops Vacuum Packed Challenger 113g £9.20 5 in stockAdd to basket AccessoriesPotassium Sorbate 25G (Fermentation Stopper) £2.75 13 in stockAdd to basket