Features1High?quality PP material, it is durable, corrosion?resistant and long?term use. 2Proportional pumps are powered by flowing pressure water with little loss of water pressure and no other power facilities. 3Regardless of the flow rate and pressure, the dose of the solution is always strictly proportional to the amount of water entering the equipment. 4With a vent valve and accurate clear scale, it is easy to adjust dose and use. 5This product is suitable for chemical fertilizer irrigation, equipment maintenance, horticultural flowers, animal husbandry, environmental protection and water treatment, industrial hygiene, food processing or other industries requiring fixed dilution.SpecificationCondition: 60% Brand NewItem Type: Proportioner Material: PPScale Range: 1%-5%(1:20-1:100)Flow Range: 20L/ h-2500L /hWorking Pressure: 0.25-5bar(kg)Inlet/Outlet: 32mm/25mmContinuous Work: >100TOperating Temperature: 5-38 Size: Approx.13 x 17 x 40 x 19.5cm / 5.1 x 6.7 x 15.7 x 7.7inWeight: Approx. 1830g / 4lbApplication: Agricultural irrigation, equipment maintenance, horticulture flowers, animal husbandry, environmental protection water treatment, car washing, food processing, printing and other industries that need to be diluted.Package List1 x Proportioner 1 x Wrench 1 x Tube 1 x Fixing Accessory 1 Bag Accessory