Amazon.com: WMF Replacement Part Sealing Ring Pressure Cooker Diameter 22 cm Silicone : Home & Kitchen
50332 3-piece Pressure Canner Weight for Presto Pressure Canner Cooker, 5-10-15lb Pressure Regulator Parts fit Models 0175001, 0175510, 0178107, 0178410 etc. for 6qt/16qt/18qt/20qt/21qt/22qt/23qt etc. : Amazon.ca: Home
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BREWING UNIT, FITS IN Schaerer Art WMF Presto, Bistro, Replacement Possible £95.83 - PicClick UK