... air flow, zero pulse. 2) Air pressure gauge, air filter, pressure adjustable. 3) Piston type Product Name: Airbrush Compressor kit (oil-free ... )Model AS186KBrand HSENG Features1) Air tank, providing smooth air flow, zero pulse.2) Air pressure ... , CHINABelow is the certificates(CE,GS, ETL,etc): airbrush tanning kit AS186K