• Premium ultra fine filters replacement with tab compatible with M- Series CPAP machine
• It reduces Sleep Apnea. It helps breathing easier and sleeping more naturally at night and be more productive during the day.
• Filters help trap larger particles such as dust, lint, fibers and pet fur in the air.
• It compares to OEM model #1029331
• Approximate size: 1" x 1 3/4"

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