Mechanical filter, with different media inside, can remove seston, mechanical impurities, residual chlorine, and color in raw water. According to the different media inside,it can be sorted as follows: Activated carbon filter,Quartz sand filter, and Fe-Mn removing filter. They can be used together or single based on the actual situation. Some models of this product: A: inside diameter, B: total length, C: cylinder length, D: outlet diameter, E: inlet diameter Mode A B C D E 300*1500 300 2010 1500 25 25 350*1500 350 2010 1500 25 25 400*1500 400 2010 1500 25 25 500*1500 500 2080 1500 32 32 600*1500 600 2150 1500 32 32 800*1500 800 2375 1500 40 40 1000*1500 1000 2475 1500 40 40 1200*1500 1200 2575 1500 50 50 1400*1500 1400 2675 1500 50 50 1500*1500 1500 2745 1500 50 50 1600*1500 1600 2845 1500 65 65 1800*1500 1800 2945 1500 65 65 2000*1500 2000 3045 1500 80 80 2200*1500 2200 3145 1500 80 80