... filtering and subsequent processing of indoor swimming pools, water filter is a kind of ideal water treatment equipment.At present, our company produces ... m3 / h; Another type of ponds DLB-ΙΙ round, DLB-ΙΙΙ type, filter water m3 / h has 20 to 80 m3 / h, 200 m3 ... operation.CBL-ΙΙ DLB-ΙΙ, DLB-ΙΙΙ type series type steel without the filter water, water, rinse and drain valve are not, by hydraulic role to ...