Wavian GJC99 4.8mm Jerry Can Gasket- Replacement Rubber Seal for NATO Jerry Cans Over time, your jerry can's gaskets become worn, causing them to break down and start leaking. These replacement gaskets are a perfect replacement, so your jerry cans will always have the liquid-tight seal. Don't get caught with cheap knock-off gaskets that will leak right from the start. These high-quality replacements are manufactured in Europe to OEM military grade spec straight from the source. These gaskets fit all NATO style metal 20-liter and 10-liter military spec non-CARB jerry cans, including the Atlantic British and Wavian brands. This is perfect if you only need one gasket for your job, but we also sell them in packs of three (GJC99K3) and packs of five (GJC99K5).