The MasterLine Dosing Pump enables easy and accurate dosing. The dosing pumps are compatible with 200, 500, 1000 ml bottles from MasterLine.MasterLine Dosing Pump+ precisely dispense 1.2 ml or 5 ml of MasterLine liquids with a single push+ dose 50% of the standard volume by half pressing the pump+ can be reused after the solution is exhausted, it is not necessary to purchase a new pump+ compatible with all 200, 500 and 1000 ml MasterLine bottles+ offers the possibility to close the circuit by turning the head