SPECIFICATIONS OF ST701 HYPERBARIC OXYGEN CHAMBER HYPERBARIC CHAMBERSIZELength*Diameter: 225x70CM/89x28INCHPRESSURE1.3ATA/4PSIWEIGHT13KgFEATURE*HIGH STRENGTH MATERIAL      *NON-TOXIC/ECO-FRIENDLY      *PORTABLE/FOLADABLE    *SAFE/ONE-PERSON COOPERATION OIL FREE AIR COMPRESSOR SIZEL*W*H: 39X24X26CMWEIGHT18KgFEATURE*OIL FREE TYPE      *NON-TOXIC/ECO-FRIENDLY      *QUIET      *SUPER ADSORPTION ACTIVATED FILTERS    *DOUBLE INLET AND OUTLET FILTERS OXYGEN CONCENTRATORSIZEL*W*H:38X26X47CMWEIGHT27KgOXYGEN PURITY≥90%FEATURE*PSA MOLECULAR SIEVE HIGH TECHOLOGY      *NON-TOXIC/NON-CHEMICAL/ECO-FRIENDLY    *CONTINUOUS OXYGEN PRODUCTION, NO NEED OXYGEN TANK