S-3440 Mirro Gasket for Pressure Canners Fits M-312, M-312-35, M-406, M-416, M-512, M-512-11, M-522, M-526, M-526-11, M-622 for Models Made Before January 1983.

Is This The Correct Gasket – Identify the date stamp situated on the underside of your canner; it will be presented in a fractional format representing Month over Year. This gasket is for Mirro and Mirro Matic Canners made before January 1983. This gasket will not fit mirro canners / cooker if the model number begins with 92***
Original Part – This is an Original Equipment Manufacturer Part. In 2007, SEB Corp granted explicit authorization to Red Hill General Store for the procurement of Mirro / Mirro Matic pressure cooker components directly from the original manufacturer.
Premium Gasket – Our gaskets are crafted from top-tier, food-grade silicone rigorously tested to withstand high temperatures and pressures. Originally, our gaskets were white, a design that persisted until the 1990s when they transitioned to black neoprene gaskets. In our continuous pursuit of excellence, we have recently upgraded to food-grade silicone, enhancing both sealing performance and longevity.
Customer Service – Our highly trained staff is just a phone call away if you have any problems or questions. We are located in Hillsvile, Virginia.