... fleck control valve with brine tank and pump water softenerion exchange resin water filerMulti-Stage Water Softener: carbon filter,quarts sand filter ... ,ion exchange resin filter.MRS-1-T Multi-stage Water Softener uses multi ... to 50 000L/H.equip with 3stage ,sand, carbon and resin, with fleck control valvewith brine tank and pump water softener ...