Overview Reviews Product Description 6-UB22 Monoblock Bolt-on Unloader Model - UB22 Pump Series - MS-MWT GPM - 7.9 PSI - 3190 Inlet - 1/2" Female Outlet - 3/8" Male Product Videos Custom Field Product Reviews Write a Review Write a Review × UDOR 6-UB22 Monoblock Bolt-on Unloader Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *