In this design filter leaves are easily accessible for manual cleaning. The connections are mounted on the fixed filter cover so that the same need not be opened when the Horizontal shell is retracted. The filter leaves set is mounted on the fixed cover depending on the required application the cover closing device can be offered. The filtration surface area can be offered from 5m2 to 70m2 for both dry and wet cake removal. The cover closing design can be offered with eyebolt and nut arrangement or with the special quick-acting wedge lock automatic device.