Blenders can be constructed in materials to suit the application. Special finishes up to mirror quality are available for exterior and interior surfaces. Standard manually operated slide paddle valves located in bottom center of trough are included. Drives are designed to meet bulk density of materials to be blended. Sizes range from 1/2 through 515 cu. ft. working capacity. Charles Ross & Son Company 710 Old Willets Path Hauppauge, NY, 11788