Triton C-Series Pool Hi-Rate Sand Filter Replacement Pressure Gauge
Amazon.com: Aqua Select Pressure Gauge ¼" Side Mount or Top Mount | 0-60 PSI | Replacement Unit for Any Sand, Cartridge Or DE Filter | Compatible with Most Brands : Patio, Lawn & Garden
Amazon.com: Boxed Pressure Gauge 0-60 PSI Replacement for Select Hayward Sand and D.E. Pool Filter ECX270861 : Patio, Lawn & Garden