The compressor stores 150 psi max tank pressure in the tank for longer tool runtimes with quick compressor recovery time, per ISO1217. The 6 gal Pancake style and 2.5 gal. Hotdog tank includes water drain valve and rubber feet. The 17 gal. vertical model has a small footprint. The 120 motors start easily in cold weather or with extension cord. The durable oil free pumps require no maintenance and have a long life. A shroud, handle and console cover protects vital components, makes the 6 gal and 17 gal. units easier to carry and includes cord wrap. The compressors are made in the USA.