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About the Inogen Rove 4 Columns The Inogen Rove 4 Replacement Column Pair ensures your portable oxygen concentrator delivers high-purity oxygen by filtering nitrogen from the air. When the columns need replacing, the device's LCD screen will display a "O2 Service Soon" alert. These easy-to-install sieve beds require no tools and should be replaced every 12 to 18 months for optimal performance. Each set includes two columns and is compatible only with the Inogen Rove 4
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🇺🇸 Ship from USA · On Agora since 2025
$118.00