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Spin-On Oil Filter Drain Funnel
A 128 mm funnel for draining used spin-on oil filters. Set the filter upside down on its four stand-off ribs (they fit filters roughly 65–95 mm across) and it drips into a jug through a tapered 20 mm bore spout. The spout's outside ribs leave an air gap in the jug neck so the oil doesn't glug. It prints rim-down with no supports, is 75 mm tall and has a hang tab with a 6 mm hole for a nail on the garage wall.
Flagged: automotive electrical. Not for safety-critical use without independent engineering review.
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