Turn your pressure washer into a high powered wet vac/pump. Fits most gas pressure washers with screw-on M22 trigger handle couplers. Fits most brands of pressure washers gas or electric with 1/4 inch quick-connect couplers. Compact design for ease of use. Two modes: vacuum and pump mode. Great for flood clean up, any standing water, farm applications, pools, ponds, water transfer. 4,000 PSI maximum pressure. Pumps 55 gallons of water in 1 minute. Garden hose compatible: 1 garden hose up to 23 gallons per minute, 2 garden hoses up to 45 gallons per minute, 1-1/2 inch hose up to 55 gallons per minute. Pumps large quantities of water out of standing sources. Universal fit for gas pressure washers.