| Heel Measurement
Table Measurements are taken on the
outside of the bottle at the valve area.
We chose not to measure from the filling hole
(center) because that would require opening every unit with excess heel.
This would require a tool, a dipstick, cleaning supplies and a collection
container for contaminated rags. Measurements from the filling hole vs. the
bottle exterior to not match.
* Heel between 10 gal and lowest marking will
be our best and fairest estimate
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