Greenworks High Pressure Soap Applicator Universal Pressure Washer Attachment 51362 1.4 GPM maximum water flow Max water temperature of 40 Degree 1/4 in. quick connection Compatible with power washers up to 3100PSI Maximum Pressure. Easy on and off dial Compatible with all GreenWorks Pressure Washers. Note:Product might contain water/residue as a results of quality testing which does not affect the performance of the item