A device used to carry out the process of filtration for separating particles from a liquid suspension or slurry. It consists of a series of filter cloths with a mesh size sufficient to withhold particles, and through which the suspension to be filtered can pass. A plate and frame filter press consists of alternating plates and frames with a filter cloth between each. The suspension is fed under pressure and the filtrate passes out through channels embedded within the plates. They can be operated as a batch operation or continuously, and are suited for the filtration of large volumes of liquid carrying suspended solids. Once the filter cake has built up on the filter cloth, the filter press is taken out of service, and the cake removed from the cloth.