Surface water control pipework including double check backflow preventers, Balboa Park, San Diego, California, United States.

---

Size: 4960px × 3307px
Location: Balboa Park, San Diego, California, United States
Photo credit: © Maurice Savage / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, american, backflow, balboa, california, check, diego, double, park, pipework, pressure, preventer, release, san, states, summer, united, usa, visitors, water, wilkins, zurn