Drain cup
Visually check the sludge that stays Reduce wasteful drainage
![img](https://industria.co.jp/wordpress/wp-content/uploads/2020/05/item01-3-1.jpg)
Drain cup is a standard option of FILSTAR, which can be directly connected. Sedimentation
of sludge can be visually confirmed.
Extra moisture can be minimized by discharging the sludge.