It allows for easy switching between sealing regular-mouth and wide-mouth Mason jars without disassembly or assembly. 【Get Your Exclusive Sealer Kit】The Mason jar vacuum sealer kit is equipped with an electric vacuum sealer, 5 wide-mouth Mason jar lids, 5 regular-mouth Mason jar lids (reusable), 1 external air extraction assembly, 1 red wine cork, 1 Type-C cable, 1 user manual.
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