this thing connect 2 bottels from hand soap dispensers of the brand BONI.
When the dispensing pump is not working anymore there is still some soap in the bottel. To connect these 2 you can leak the top bottel in the bottem bottel whitout no spilling.
BONI is a famous brand from the colruyt group here in belgium. I don’t know if it will fit whith some other brands.
The only thing i know is that the threat is only one threat and the distance between threats is 6.5mm.
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