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| Products | Projects | ||
Specification | Quantity | Remark | |
| Silicone drainage ball | 100mL-1,100ml-2,200mL-1,200mL-2 | 1pc | Self-made |
| Silicone drainage tube | Round silicone drainage tube:Fr8,Fr10,Fr12 Fr14,Fr16,Fr18 ,Fr20,Fr22,Fr24 Crossed silicone drainage tube:Fr8,Fr10,Fr12 Fr14,Fr 15,Fr16,Fr18 ,Fr 19,Fr20,Fr22,Fr24 Flat silicone drainage tube:3×7,4×10 | 1 bar | Self-made |
| Drainage bag | 1000ml | 1pc | Outsourcing |

The size of the drainage tube should be in accordance with the provisions of Table 2.Specification | Round tube | Cross tube structure | Total length of drainage tube L ±20 | |
Fr | Outer diameter±0.3 | Outer diameter±0.3 | Length of cross section L2 ±20 | |
8 | 2.7 | 2.7 | 300 | 1000 |
10 | 3.3 | 3.3 | ||
12 | 4.0 | 4.0 | ||
14 | 4.7 | 4.7 | ||
15 | / | 5.0 | ||
16 | 5.3 | 5.3 | ||
18 | 6.0 | 6.0 | ||
19 | / | 6.3 | ||
20 | 6.7 | 6.7 | ||
22 | 7.3 | 7.3 | ||
24 | 8.0 | 8.0 | ||
Flat tube | Width a ±0.5 | Height b ±0.5 | Flat tube length L1 ±5 | Total length L ±20 | Round tube inner diameter±0.3 | Outer diameter of round tube±0.3 | |
| Specification Model | 3×7 | 7 | 3 | 220 | 1000 | 3 | 5 |
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