Royal Manufacturing Industries Folding Sluice Box Highbanker/Hopper Kit .063" Aluminum Body 50" Long x 9" Wide Sluice Box, Folds Down to 15" x 9", Includes Flare Top of Hopper is 14-1/8" X 7-1/8" with two 3/4" Spray Bars NEW Deep V Ribbed Matting for easy Gold ID 2 Tsunami 1200 GPH 12VDC pumps with filter screens