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Beth McCormick, MS
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Owner/COO
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Join date: Feb 2, 2026
About
CPAP Z Owner, Beth McCormick, comes to oxygen and sleep sales from the repair industry. Over a decade of experience owning and operating a respiratory and sleep product repair company has given her a deep understanding of the machinery people rely on for their oxygen and sleep apnea needs. Her focus will be on how these machines work, why they break, and what goes on in the manufacturing industry.
Posts (12)
Jul 20, 2026 ∙ 2 min
How often should I change my cpap filters?
Reusable filters should be replaced every 6 months and disposable filters should be replaced every 2 weeks. If filters are damaged or very dirty, they should be replaced more often.
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Jul 13, 2026 ∙ 2 min
What are sieve canisters in oxygen concentrators?
Sieve canisters are the main component of oxygen concentrators. Their function is to purify room air by adsorbing the nitrogen in the air while allowing oxygen to pass through and collect in a chamber for delivery to the patient.
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Jul 9, 2026 ∙ 3 min
What is the whining noise coming from my cpap?
As the motor is the primary functional component of your cpap, it accumulates continuous wear and tear with regular usage. Although the motor is designed for such usage, it will eventually fail and need to be replaced.
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