Specification: Condition: 100% Brand New Item Type: Fertilizer Injector Material: PVC Proportion Range: 0.4%-4% (1:25-1:250) Flow Range: 20L/H-2500L/H Working Water Pressure: 0.2-3bar Inlet And Outlet Diameter: 32mm/25mm Continuous Work: >100 Days Water Flow Temperature: 4-30 ° C (39 ° F - 104 ° F) Pipeline Pressure: 0.2-6 Pa (2.9-85 Pascal) (Water pressure loss can get 0.1 Pa at low flow and 1 Pa at high flow) Water Loss: 0.2 Pa - 1.2 Pa Inlet and Outlet Thread: G3/4in Weight: Approx. 1853g / 65.4oz Inlet and Outlet Diameter: Approx. 32mm / 1.3in, Approx. 25mm / 1.0in Length: Approx. 47cm / 18.5in Maximum Diameter: Approx. 13cm / 5.1in Bottom Black Bar Length: Approx. 20cm / 7.9in Installation Requirements: 1. The water inlet and outlet of the proportional pump shall be consistent with the water inlet and outlet of the water pipe. 2. The proportional pump must be installed with the proportional pump on top and the liquid suction pipe on the bottom. 3. Fix the bracket of water pump to the wall or some fixed facilities 4. Install the water pump firmly into the bracket to ensure that the small screw head on the water pump completely enters the hole on the bracket after the "click" sound. Package List: 1 x Fertilizer Injector 1 x Bag of Accessories 1 x Pipe 1 x Sprayer 1 x Instruction Manual 1 x Fixed Bracket Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.