For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

【Working Principle】The proportional injection device is installed in the water supply pipeline, and the power can be obtained without the electric driving water pressure. With flowing pressure water as power, the loss of water pressure is small, and no other power facilities are needed. In case of emergency, it can quickly dispense drugs and save a lot of manpower.

【Accurate & Effective】This proportional pump is made of high-quality PVC material, which is durable, corrosion-resistant and wear-resistant. Adopt reciprocating dynamic sealing technology, this dosing pump has higher accuracy. Unique cylinder block and piston motion area design ensures more uniform and effective mixing of liquid and medicine.

【Various Application】This product is suitable for wastewater irrigation, equipment maintenance, horticultural flowers, livestock breeding, environmental protection and water treatment, industrial hygiene, vehicle cleaning, food processing, printing industry or other industries that need to be diluted.

【Easy to Install and Use】Simple installation, you only need to install it according to the instructions, no need to watch while working, you can be busy with other things. Equipped with a vent valve, its scale is accurate and clear, the dosage can be adjusted, and the proper ratio can be adjusted accurately, which is convenient to use.

【100% Satisfaction Guaranteed】If the fertilizer injector to make you satisfied let us know right away so we can send you a full purchase refund. If you have any question, please be free to contact with our customer service. We will give you a professional and detailed reply within 24 hours. Click to buy now!