https://iowacity.craigslist.org/hsh/d/tiffin-rv-water-pressure-regulator-with/7927742031.html
RV Water Pressure Regulator with Gauge and Hose Splitters - household items - by owner - housewares...
RV water pressure regulator with built-in gauge and a couple of hose splitters. Protects your RV plumbing from high city water pressure while letting you run a...
pressure regulator with gauge