by Weck (Various sizes)
A Weck replacement natural rubber ring for Weck glass canning jars. In order to obtain an airtight seal between jar and lid, the proper rubber canning rings have to be used. Weck recommends using a new ring each time you can. Made in Germany.
Small size fits the following Weck Jars: Mold 80 ml, Tulip 220 ml, Cylindrical 250 ml, Deco 250 ml.
Medium size fits the following Weck Jars: Mold 165 ml, Tall Mold 165 ml, Deco 500 ml, Cylindrical 1L.
Large size fits the following Weck Jars: Mold 290 ml, Mold 500 ml, Deco 1L, Cylindrical 1.5L, Tulip 500ml, Tulip 1L, Tulip 2.5L.