I've tried many other 120v inflators but this is the "pack leader". Build quality is evident, but the real positive is the speed at which it inflates your tires. I have 21 inch tires on my SUV that require 46 pounds of pressure. He inflated these tires from 39 pounds to 47 pounds in 2.5 minutes with little loss when they came off the valve stem. It's probably 30% more expensive, but nothing beats it in terms of speed or quality. The only negative is the packaging - the box is filled with these very tiny styrofoam packing dots which catch on the box/pump and make an incredible mess. Completely unnecessary packaging material that must be disposed of IMMEDIATELY. Make sure you open the crate in your garage above the trash can, or you'll find Styrofoam in your house within weeks. Great product / Terrible - Terrible packaging!