Plug and play oxygen generator : 93% - 3.8bar ModulO2 For healthcare facilities with little or no access to medical oxygen, Oxyplus Technologies has designed ModulO2, the most user-friendly and high performing compact oxygen generator. ModulO2 is an all-included oxygen generator based on the PSA (Pressure Swing Adsorption) technology. Ready to be connected to power supply and functioning with ON/OFF switch on a fully automatic mode, this on-site production system is particularly easy to operate and an ideal alternative to oxygen cylinders.