The suction system is equipped with a dilatory stainless steel spring located inside the collection bellow. The spring limits the dimensions and allows a constant suction level and collection capacity.
The graduation on the lower part of the system allows checking the quantity of fluid collected.
Each system is equipped with an extension tube with flow regulator and relevant multi-gauge connector adaptable to drainage tubes between 6 and 18 CH diameter for PVC drains connections.
Bellows are available with a capacity of 50, 200, 500, 700 ml with the connecting tube.