The Hiblow WG Series Linear Air Pumps is a new line that is specifically focused on uses in backyard ponds and other applications in ornamental water features. It is intended for use 24 hours a day, seven days a week and up to 365 days per year. The pumps are oil-free which eliminates danger of contamination in your pond. They linear diaphragm design allows for quick and inexpensive repair of worn pumps. Includes pressure tap location for external alarm sensor.