This ant cylinder can be connected to other ones by the connector sockets. You can keep it open withou animals ascaping because of a notch below the junk ring in which lack, powder or oil.
Due to the circular construction the animals do not find nooks which make it easier for them to escape like they do in ordinary basins.
So this circular construction and the junk ring make this ant cylinder twice as safe.
This costruction can be stacked by intermediate elements or equipped with a lid.
It can be expanded as desired because of our plug-in system with acryl pipes and links.
product's improvement 09/2015: The lid-ring is removable now