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Amazon.com: Weck 100mm Rubber Seals / Rings (Set of 10). Fits WECK Models 739 740 741 742 743 744 745 748. Red : Automotive
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Amazon.com: Weck 740 .20 Liter Mold Jars - 6 Jars In A Set, With Lids, 6 Rings & 12 Clamps: Home & Kitchen
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LARGE WECK JAR 5 PACK KEEP FRESH PLASTIC LIDS, 5 PACK (LARGE = 4", 100mm) Fits models 738, 739, 740, 741, 742, 743, 744, 745, 748, 974 - Walmart.com
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