订货信息：
| Description* | qty. | cat.# | qty. | cat.# |
| Level 1: 仅含过滤器支架 | ea. | 27470 | 4-pk. | 27471 |
| Includes: filter holder; cap frit filter (4 mm, 2.0 μm); and PEEK 压环 | ||||
| Level 2: 保护柱套 | ea. | 27472 | 4-pk. | 27473 |
| Includes: 保护柱套 和 PEEK 压环 | ||||
| Level 3: Filter Holder and Cartridge Holder Power Pack | ea. | 27474 | 4-pk. | 27475 |
| Includes: filter holder; cap frit filter (4 mm, 2.0 μm); 保护柱套; and PEEK 压环 |
以上都不含柱芯，需要单独购买。
PEEK压环
| Description | qty. | cat.# |
| Replacement Trident PEEK Ferrules | 10-pk. | 27476 |
双层保护帽
备用 Cap Frits
更换保护柱的费用可能高达更换分析柱。所以为什么我们采取保护保护柱呢？
Trident 直接装置上的可拆卸帽有助于防止阻塞装置盒，从而可以延长色谱柱的寿命，保护装置盒，节省预算。
| Description | ID | Porosity | qty. | cat.# |
| Replacement Cap Frits | 4 mm | 2.0 μm | 5-pk. | 25022 |
| Replacement Cap Frits | 4 mm | 0.5 μm | 5-pk. | 25023 |
| Replacement Cap Frits | 2 mm | 2.0 μm | 5-pk. | 25057 |
| Replacement Cap Frits | 2 mm | 0.5 μm | 5-pk. | 25990 |
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