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The 4.5 x 10" carbon pre-filter is the correct replacement filter for the old school R5 Systems. These carbon block filters are made using 100% coconut shell carbon, a renewable and ecologically sustainable material. -5 Micron nominal filtration -Exceptionally low pressure drop -High dirt holding capacity -Extremely economical
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$55.17