$17.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
This mesh bag can hold biological filter media like BioBalls in order to grow beneficial bacteria.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$17.99