Quiet Portable Air Pump: Professional high performance single-piston airbrush air compressor with air pressure regulator with gauge, water trap filter. Our most popular single-piston compressor. Provides air-on-demand and automatically shuts off when not in use. Air Hose Variety of Hose with different accessories also. Teach you how to choose airbrush air hose: 1.Confirm the connector size of airbrush gun 2.Confirm the connector size of airbrush compressor 3.How is the weather?Cold or Warm? 4.How long of airbrush air hose need? Material of airbrush air hose: Rubber and Braided Nylon Outside: Braided Nylon Specification: Tulle treatment outside the tube, and will not age, does not harden, live longer, long life, good quality.