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sieve beds lose efficiency
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The Drive DeVilbiss 10L comes standard with a 3-year warranty
and insert the new ones
construction
Rhythm P2-E7 Sieve Beds ult sieve beds lose efficiencyRestore peak performance and oxygen purity to your Rhythm P2 E7 Portable Oxygen Concentrator with these genuine OEM sieve beds. Why Replace Your Sieve Beds? Sieve beds are the heart of your oxygen concentrator. Over time (typically every 1224 months, depending on usage and environment), the zeolite material can become saturated or contaminated, leading to reduced oxygen concentration, lower purity alarms, or decreased efficiency. Replacing them