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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 (13)
Jul 23, 2026 ∙ 3 min
How much does a portable oxygen concentrator cost?
The price of portable oxygen concentrators (POCs) ranges from approximately 1995.00 to about $4995.00. Used POCs are less expensive, ranging from approximately $600.00 to about $2000.00. When purchasing a used POC, be sure to buy a certified or warrantied unit from a reputable company.
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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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