It is suitable for cleaning most dirt and can easily solve various occasions that need daily cleaning, such as washing motorcycles, washing driveways, washing machine decks, washing fences, etc. Maximum 4GPM Water Flow & 5 Quick-connect Nozzles: This gas power washer can achieve the maximum water flow area when using the maximum angle nozzle (the quick-connect nozzle angle is 40 or soap); the larger the quick-connect nozzle angle used, the greater the water flow.