1. Diaphragm pump combines the advantages of self-priming pump and chemical pump. Installed in a dry, well-ventilated location; pumps can not work in water. 2. Using a variety of imported corrosion-resistant materials, self-priming, thermal protection, smooth operation, long-time continuous idling, long-time continuous load operation. 3. Totally sealed, high stable pressure. 4. Rubber bracket can absorb vibration from the pump when working. 5. When the water pressure is too high, pump will protect themselves and normal work, water pipes will not burst, it is safe and sturdy. Welcome and I wish you a happy life, my friend., Manufacturer: JOLIANE