Type: Watering Kits it is durable, corrosion resistant and wear resistant. With deflation valve and precise and clear scale, the dosage can be adjusted and easy to use. Powered by the pressure water , the pressure loss is small and does not require any other power facilities. Configure precise ratio settings that are unaffected by water and pressure. This product is suitable for fertilizer irrigation, equipment maintenance, horticultural flowers, livestock farming, environmental and water treatment, industrial hygiene, food processing or other industries that require a fixed dilution. Condition: Thread: G3/4in Proportion Range: 0.4%-4% (1:25-1:250) Range: 20L/H-2500L/H Working Water Pressure: 0.2-3bar Continuous Work: &;100T Water Temperature: 4-30 Celsius Weight: Approx. 1866g / 65.8oz Application: Fertilizer irrigation, equipment maintenance, horticultural flowers, domestic farming, environmental and water treatment, industrial hygiene, vehicle cleaning, food processing, printing industry, other areas that require a fixed range. :blue Material:PP plastic size:Inlet Diameter: Approx. 32mm / 1.3in Outlet Diameter: Approx. 25mm / 1.0in Pump: Approx. 49x16cm / 19.3x6.3in Package Contents: 1 x Proportional Pump 1 x Bag of Round Gaskets (4Pcs) 1 x Buckle 1 x Capillary Tube (With Filter) 1 x Wrench Only the above package content, other products are not included. Note: Light shooting and different displays may cause the of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.