... :Φ-350, 0.09 sq meter(filter area), 1.5’’/50mm(valve connections) 4.32 cbm/h(flow rate) 20kg( ... )Φ-400, 0.13 sq meter(filter area), 1.5’’/50mm(valve connections) 6.48 cbm/h(flow rate) 35kg( ... )Φ-650, 0.32 sq meter(filter area), 1.5’’/50mm(valve connections) 15.6 cbm/h(flow rate) 145kg( ... 700, 0.40 sq meter(filter area), 1.5’’/50mm(valve connections) 19.5 cbm/h(flow rate) 210kg(sand)...............Φ-700(B ...