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Self-Centering Canning Funnel
A 96 mm wide funnel whose 45° cone seat drops into and self-centers on any jar mouth from 46 to 84 mm, so one funnel covers both regular and wide-mouth mason jars. Two side fins give a no-slip grip while you pour rice, beans, or jam; 48 mm tall with 2.2 mm walls.
Flagged: contact with food. Not for safety-critical use without independent engineering review.
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