Keep your pressure canning operations running smoothly with this 2-pack of replacement gaskets designed specifically for Mirro pressure canners. These sealing rings are perfectly sized to fit multiple Mirro models, including the 12-quart, 16-quart, and 22-quart sizes (compatible with models M-0512, M-0522, M-0312, M-0416, and M-0622). The heat-resistant construction ensures reliable performance during your canning sessions, maintaining the necessary pressure seal for safe food preservation. Each pack includes two gaskets, giving you a spare on hand for when you need it. These replacement sealing rings help restore your pressure canner to proper working condition, ensuring the tight seal needed for safe pressure canning. Don't let a worn gasket compromise your food preservation efforts - keep your Mirro pressure canner in top working condition with these replacement sealing rings.