Use the Mister for Cooling, Rehab of athletes, firefighters, clean-up crews, Confined Space, Salvage and Overhaul, Sporting Events, Dust Control... Quick-release filter prevents clogging of the nozzles, then flushes clear with the turn of a valve. The VENTRY Misting Ring works with a standard household water supply (garden hose) and, with the proper adaptors, can be connected to any water supply with maximum pressure of 150 psi (200 psi is safe but not recommended).