VPSA Oxygen Generator wani nau'in talla ne da aka matsa da kuma cire iskar oxygen janareta. Iska ta shiga gadon adsorption bayan matsawa. Wani sieve na kwayoyin halitta na musamman yana zaɓar nitrogen, carbon dioxide da ruwa daga iska. Daga nan sai a narkar da sieve na ƙwayoyin cuta a ƙarƙashin yanayi mara kyau, ana sake yin amfani da iskar oxygen mai tsabta (90-93%). VPSA yana da ƙarancin amfani da makamashi, wanda ke raguwa tare da haɓaka girman shuka.
Shanghai LifenGas VPSA masu samar da iskar oxygen suna samuwa a cikin nau'i mai yawa. Janareta guda ɗaya na iya samar da 100-10,000 Nm³/h na oxygen tare da 80-93% tsarki. Shanghai LifenGas yana da kwarewa mai yawa a cikin ƙira da kera ginshiƙan tallan radiyo, yana ba da tushe mai ƙarfi ga manyan shuke-shuke.