Oxygen Concentrator 5-Liters Compact w/O2 Sensor

This unit has been upgraded as follows: * Upgraded base design which includes: o New material which is more resistant to chemical & environmental degradation o Increased wall thickness to reduce the risk of physical damage (cracking etc.) to the base and casters o New caster design which includes longer connecting stems improved fit and durability o Note the new base design was first implemented in the 1025 concentrators in May 2020 and will be implemented in the 525 series in the coming weeks o Longer/larger sieve beds which improve overall sieve bed performance and increase the bed useful life o Upgraded compressor cup seal material with greater heat resistance which extends life of compressor cup seals improving overall compressor performance o Use of brass screw inserts and machine screws at all cabinet connection points which improves the overall stability and durability of concentrator shell o Reduced internal operating temperature (through va