gold sluice washing carpet gold sluice matting gold wash grass artificial turf roll Dreamturf mining sluice mat models: 3 star 4 star 5 star gold sluice washing carpet gold sluice matting gold wash grass artificial turf roll Dreamturf mining sluice mat weight 80kg/roll gold sluice washing carpet gold sluice matting gold wash grass artificial turf roll Dreamturf mining sluice mat size: 1x15 meter