Type: Watering Kits Durable, corrosion resistant, and wear resistant. Features a deflation valve and precise, clear scale for adjustable dosage and easy operation. Powered by water pressure, with minimal pressure loss and no need for additional power sources. Equipped with precision components unaffected by water or pressure variations. Suitable for fertilizer irrigation, equipment maintenance, horticultural applications, livestock farming, environmental and water treatment, industrial processes, food processing, and other applications requiring fixed dilution ratios. Condition: New Thread: G3/4 in Proportion Range: 0.4% - 4% (1:25 - 1:250) Flow Range: 20 L/H - 2500 L/H Working Water Pressure: 0.2 - 3 bar Continuous Operation: Up to 100T Water Temperature: 4 - 30°C Weight: 1866g / 65.8 oz Application: Fertilizer irrigation, equipment maintenance, horticultural flowers, domestic farming, environmental and water treatment, industrial use, vehicle cleaning, food processing, printing industry, and other applications requiring fixed dilution. Color: Blue Material: PP Plastic Size: Inlet Diameter: 32mm / 1.3 in Outlet Diameter: 25mm / 1.0 in Pump Dimensions: 49 x 16 cm / 19.3 x 6.3 in Package Contents: 1 x Proportional Pump 1 x Bag of Round Gaskets (4 pcs) 1 x Buckle 1 x Capillary Tube (with Filter) 1 x Wrench Note: Light and display differences may cause slight color variation between the image and the actual item. Measurement tolerance: ±1-3 cm.