STEP 4: Attach the hose and tool. The type of air compressor we are discussing usually has convenient quick-release fittings.

Achieving optimum efficiency from an air compressor requires properly sizing ... be pressure loss regardless of application due to fittings, hoses, elbows and connections,” says Rubio.

though you can use an air hose with standard fittings. The compressor itself is hidden away. You can connect the hose both to let air out of the tires, and to refill them later. It works quickly ...