the PSA oxygen generator system includes all accessories and can be used directly with a screw air compressor,the PSA oxygen generator uses zeolite molecular sieve as an adsorbent. It utilizes the difference in the adsorption amount of oxygen and nitrogen in the compressed air on the surface of the molecular sieve. through the principle of pressurized adsorption and depressurized desorption, it is a fully automated equipment that directly produces oxygen from compressed air.