This is a Waterco Bottom Mount Pressure Gauge replacement (0-50 psi) for Baker Hydro HRV Filters and other specific Waterco filters. This filter gauge has 1.4 Inch NPT.
This pressure gauge is designed to fit the following Baker-Hydro Waterco pool filters: Opal, Opal XL, Fulflo DE, MultiCyclone, MultiCyclone Plus, Micron SM, HRV Series, Micron SM1050-SM1200, W/WD Series Deep Bed Filters, Trimline, Fulflo Tri-Cartridge, Slimline.
