Capture pool backwash water while keeping out pipe-clogging debris with the Pool Backflush Fitting with Recessed Grate. The 4 in. spigot connects to 4 in. pipe to convey water downstream for discharge in a water-safe area. The recessed grate prevents debris from entering and potentially clogging the pipeline. The Pool Backflush Fitting is made of high-density polyethylene (HDPE) treated with UV inhibitors. For use in non-pressurized underground sewer and drainage applications; maximum working pressure of 5 psi.