OREA FLAT
这些滤纸也称为 OREA TYPE-G 滤纸，是我们通用的扁平滤纸。它们的过滤速度适中，既不会太快也不会太慢。滤纸一面有纹理，另一面光滑，设计用于实现有效的过滤。为了获得最佳效果，请将有纹理的一面贴近滤杯，光滑的一面为内部（承载咖啡粉）。使用这种滤纸需要搭配Negotiator，才能将滤纸放入滤杯中，从而实现低旁路冲煮环境。我们大约在四年前发明了这种方法，由于它能以相对简单的滤纸准备工作冲煮出干净、香甜、多汁的咖啡，因此广受欢迎。
FILTER SIZING CHART
| Filter name |
Compatible brewers |
| OREA O1 Flat filter (also known as Type G) / equivalent to 155 size | V2, V3 small/155, O1 |
| OREA O1 Wave filter / equivalent to 155 size | V2, V3 small/155, O1 |
| Sibarist Fast Flat O1 | V2, V3 small/155, O1 |
| OREA V4 Flat Filter (also known as Type G) / equivalent to 185 size | V4 Narrow, V4 Wide, V3 Large/185 |
| OREA V4 Wave Filter / equivalent to 185 size | V4 Narrow, V4 Wide, V3 Large/185 |
| Sibarist Flat V4 Narrow / equivalent to 185 | V4 Narrow, V3 Large/185 |
| Sibarist Cone V4 Wide / equivalent to cone size 2 | V4 Wide with APEX base |
| Big Boy Wave Filter / unique to Big Boy Brewer | Big Boy Brewer |
| Z1 Filter x Sibarist | Z1 Brewer |