Price: $169.95
Part #: Zurn 34-975XL
Description:
Wilkins 975XL series are RPP Assemblies otherwise known as Wilkins backflow device and are designed to protect potable water lines from cross-contamination due to backpressure and backsiphonage.
http://www.pexuniverse.com/store/category/backflow-preventers
http://www.pexuniverse.com/store/category/backflow-preventers