... -ΙΙ DLB-ΙΙ, DLB-ΙΙΙ type series type steel without the filter water, water, rinse and drain valve are not, by hydraulic role to ... , security automation, equipment integration, into the water tank, filter, such as a reverse wash tank assembly, compact structure, the user will be ... required to make equipment and plug in and out of the water ...