introduction concrete pipe Large Diameter Flat Reducers/Precast Floors Product Description 1350 mm dia. x 200 mm High Flat Reducer 1350 mm dia. x 200 mm Precast Floor 1500 mm dia. x 200 mm High Flat Reducer 1500 mm dia. x 200 mm Precast Floor 1650 mm dia. x 200 mm High Flat Reducer 1650 mm dia. x 200 mm Precast Floor 1800 mm dia. x 200 mm High Flat Reducer 1800 mm dia. x 200 mm Precast Floor 2100 mm dia. x 200 mm High Flat Reducer 2100 mm dia. x 200 mm Precast Floor 2400 mm dia. x 200 mm High Flat Reducer 2400 mm dia. x 200 mm Precast Floor 2700 mm dia. x 250 mm High Flat Reducer 2700 mm dia. x 250 mm Precast Floor 3000 mm dia. x 250 mm High Flat Reducer 3000 mm dia. x 250 mm Precast Floor Weight (kg) 912 920 1197 1189 stormwater treatment technologies 1497 1285 1796 1389 2712 1746 3475 2585 4082 3266 7300 6700 box sections manhole and catch basin material LAFARGE PIPE eMANUAL PAGE 39