... :Support structure : 100 x 100 x 4 rhs main frame with 75 x 75 x 4 rhs, 80 x 10 and 80 x 6 angle bracing, drag ... x standard riffles ex 25 x 3, 1200 mm x 400 mm with magic mat underlay, 2 x GM 400 grid mesh section 1200mm x 600mm with ... with 2 x 80mm feeds with valves to splarge pipes, 50mm feeds with valves to hopper,4 x 40mm outlets with valves for hydraulic riffles, 2 x ...