Manual operation filters equipped with a multi-port valve with handle. Users use the handle to switch between three modes as necessary: backwash, rinse or filtration. An automatic control device is installed on the automatic filter, the operation is monitored on elapsed time set by user. With the regular backwash process, automatic filters assure the user of high quality water.



APM Sand Filters allow for various filter media, such as coarse gravel, fine sand, silica sand, manganese greensand, granular active carbon, ion exchange resin, ceramic ball, energetic stone. APM Sand Filters are ideal for treatment of drinking water, process water, cooling water, and cultivating water.