Feature:1. Irrigation fertilization pump, with an release valve, and the scale is accurate and clear.2. Suitable for fertilizer irrigation, gardening flowers, animal husbandry, environmental protection water treatment, etc.3. Driven by water flow, pressure loss is small, and no other power facilities are required.4. Selected high‑quality ABS materials, durable, wear‑resistant and corrosion‑resistant.5. With a ratio of 0.2‑2% (1:5‑1:500), the range is 10L/h‑3m³/h, the dosage is adjustable, easy to use.How to Use:1. The fertilizer suction pipe filter bucket must be more than 10cm away from the bottom of the fertilizer bucket, and the fertilizer suction pipe should be kept vertical.2. Must use water fertilizer or solid fertilizer after full dissolution.3. A filter must be installed to prevent the product from entering sand particles and reducing its service life.4. Fertilization ratio adjustment: Unscrew the lock nut according to the arrow direction, rotate the ratio adjustment, the outer cylinder adjusts the fertilizer liquid ratio, and tighten the lock nut after selecting the scale ratio.Specification:Item Type: Fertilizer InjectorMaterial: ABSWeight: Approx. 1603g / 56.5ozProduct Size: Approx. 42.5x16.5cm / 16.7