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Yellow 3 3/4" x 6" Foam Pre Filter. This pre filter fits over a standard filter and prevents dust and debris from entering the main filter. Each filter is sold as pictured, and comes ready to install. We do recommend oiling this pre-filter for best performance. Note that this filter features a closed end to fit completely over another filter.
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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 2026
$5.60