1) Air tank, providing smooth air flow, zero pulse. Safeties protect devices for air tank. 2) pressure adjustable. air compressor with tank with cover AS186 Features: 1) Iron cover; Air tank, providing smooth air flow, zero pulse.2) Air pressure gauge, air filter, pressure adjustable.3) Piston type; oil free. None air polluted.4) It can start with air, continuous working, powerful. 5) Auto start ...