WECK jars are great for canning. It is advised that the rubber seals and clips be replaced after each round of canning for best results.
Size L fits: Mold 740, Mold 741, Mold 742, Mold 743, Mold 782, Tulip 744, Tulip 745, Cylinder 974
Size M fits: For Mold 751, Mold 976, Mold 900, Tulip 746, Cylinder 908, Deli 996, Deli 758.
Size S fits: For Mold 755, Mold 080, Mold 760, Tulip 762, Cylinder 975, Cylinder 905, Juice 764, Juice 766, Juice 763, Deli 995.