TYPE OF FILTER IF 30/1 IF 30/2 P 36 P 36/1 P 36/2 Dimensions of Filter Tank only.Height x Diam (mm) 1240 x 750 1740 x 750 900 x 910 1.400 x 910 1.900 x 910 Weight of Filter only - (kg). No Sand 35 44 41 66 91 Grade of Filter Media - (kg) High Quality Silica Sand 20/400.8 - 1.2 mm Uniformity co-effiecient Mass of Filter Media - (kg) 360 450 320 480 640 Total Filter Area (meters?) 0.456 0.456 0.620 0.620 0.620 Designed through put (liters/hour) + (m3/hour) 20 000 l/h 25 000 l/h 30 m3/h 35 m3/h 40m3/h Pump Motor Size (kW) As Required 2.2 kW / unit As required Pipe Sizes (Internal) 63 mm / 75 mm Control System 2" Multiport or ball/butterfly valves