GPM (or gallons per moment). The 2 specs Operating in tandem will be the important to optimum functionality. GPM measures the amount of water delivered through the pressure washer — an indicator of how immediately your machine will cleanse. Increased-GPM pressure washers (two.o and up) will thoroughly clean more quickly https://bookmarkahref.com/story17394121/rumored-buzz-on-concrete-cleaning-wilmington-nc