TYPE OF FILTER P.18 P.24 P.30 P.36 Dimensions of FilterDia x Ht (mm) 450 x 760 635 x 920 775 x 1000 915 x 1000 Weight of Filter 11-5 14 19.6 41 Grade of filter Media High Quality Silica Sand 20/400.6 - 1.2 mm Uniformity Mass of Filter Media (kg) 60 120 200 320 Total Filter area (meters?) 0.163 0.292 0.456 0.620 Designed throughput (liters/hour) 8 180 12 200 16 300 30 000 Pump and Moter size (kW) 0.60 0.75 1.10 2.2 Pipe sizes (internal) (mm) 50 50 50 63mm Control System 1?" Multiport Valve Threaded