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】This proportional pump is made of high-quality PVC material, which is durable, corrosion-resistant and wear-resistant.The proportional injection device is installed in the water supply pipeline, and the power can be obtained without the electric driving water pressure.

【Accurate and Effective】No matter what happens to the rate and rate, the dosage of the solution is always strictly proportional to the amount of water entering the equipment. The water pressure loss is small, and the precise proportion setting is not affected by the water.

【Installation Requirements】The water inlet and outlet of the proportional pump shall be consistent with the water inlet and outlet of the water pipe. 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.

【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.

【100% Money Back Gurantee】We highly value the purchasing experience of our customers, so we provide 90 days 100% money back guarantee, lifetime professional customer service and technical support in 7*24 hours. Please feel free to contact our customer service team if you have any problems.