Features 1、Proportional pumps are powered by flowing pressure water with little loss of water pressure and no other power facilities. 2、Equipped with air release valve, the scale is precise and clear, the dosage is adjustable, and it is convenient to use. 3、Using the hydraulic power of proportional pump as engine, the piston and connecting rod in proportional pump are driven, and liquid additives are directly inhaled to dissolve in water. 4、Proportional pump can adjust the proportion of additives in water according to the actual situation to achieve the best effect of additives. 5、Made of high quality PP material, durable, corrosion resistant, wear resistant, stable performance, long service life. 6、Suitable for equipment maintenance, environmental protection and water treatment, industrial hygiene, vehicle cleaning, food processing, printing or other industries requiring specific dilution. Specifications Item Type: Fertilizer Injector Material: PP Color: As shown in the picture Size: Approx. 51x17.5cm / 20.1x6.9in Weight: Approx.2200g/77.6oz Model: MX2504 Additive Inlet Diameter: Outer diameter 12mm/0.47in Water Inlet and Outlet Thread: G3/4 inch Proportion Range: 0.5%-4% (1:25-1:200) Flow Range: 20L/H-2500L/H Working Water Pressure: 0.3-6bar (kg) Continuous Operation: >100T Working Temperature: 5-40 ℃ Application: Agricultural irrigation, equipment maintenance, gardening flowers, animal husbandry, environmental protection water treatment, industrial disinfection, car washing, food processing, industrial hygiene, printing and other industries that require constant dilution. Package List 1 x Fertilizer Injector 1 x Bag of Accessories(4pcs parts) 1 x Transparent Tube 1 x Filter 1 x Bracket 1 x English Manual