If I choose 0.25 or 1 liter, the price no longer changes. It works with another topic. What could be the reason?

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If I choose 0.25 or 1 liter, the price no longer changes. It works with another topic. What could be the reason? ![enter image description here][1] [1]: https://a-reiniger.de/wp-content/uploads/2022/08/Themler-Woc-1-scaled.jpg

Last edited 23 August 2022 by sven7