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The Orea Brewer is designed to work with wave-shaped flat bottom filters like the Kalita Wave size 155 or Kalita Wave 185.

The Orea Brewer is also compatible with a new, experimental, filter system, that uses flat circular paper filters and a filter-fitting tool.

Orea V2 (MK1 & MK2)
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Kalita Wave 155
Negotiator paper 155 small

Orea V3 Small (155)
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Kalita Wave 155
Negotiator paper 155 small

Orea V3 Large (185)
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Kalita Wave 185 (or 155)
Negotiator paper 185 Large (or 155 small)
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Can I use other wave-shape filters?
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Yes you can. Some alternatives include: Fellow Stagg X filter, Saint Anthony F70 filter, and the Blue Bottle Bamboo Wave filters. Each filter flows at a different rate, and has its own quirks. We don't currently have guides to support these filters and you can expect a different performance from them than with Kalita Wave filters. For a good overall experience, we recommend using Kalita Wave filters until we have our own wave-shaped filters.