Finally, all the gentleness of our Boar's Hair Brush combined with the benefit of constantly flowing water! The great thing about this brush is that the surface remains flushed with water at all times. This is especially important on your first pass to remove the major grit and road grime from your auto's surfaces. Here's what I do: turn on the hose and let the water come up to wet the bristles thoroughly. Lightly brush the wand back and forth, removing the grit and road grime. Next, turn off the water on the handle and either dip the brush in a bucket of diluted Car Wash or spray the diluted Car Wash on the surface using our Foaming Sprayer. Lightly agitate, then let the water flow through the brush again and rinse off the soap! Your car is washed. Makes washing larger SUVs, minivans, trucks or RVs enjoyable! The handle fits standard garden hose threads and is 40" in length. The Boar's Hair Brush is 7" in diameter that fans out to 11" in diameter when you are washing. The rubber bumper edge also eliminates contact damage. Made in the U.S.A.