| Customization: | Available |
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| After-sales Service: | on Line Service |
| Warranty: | One Year |
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1,Material is made by Galvanized steel
2,Pressed collar saddles are used for ventilation system.
3,Diameter: 100-315mm
Made of galvanized steel with rubber seal
| SIZE | D | d | H | B | R |
| 100 100 | 100 | 98.8 | 40 | 32 | 12 |
| 125 100 | 125 | 98.8 | 40 | 32 | 12 |
| 160 100 | 160 | 98.8 | 40 | 32 | 12 |
| 200 100 | 200 | 98.8 | 40 | 32 | 12 |
| 125 125 | 125 | 123.8 | 40 | 32 | 12 |
| 160 125 | 160 | 123.8 | 40 | 32 | 12 |
| 200 125 | 200 | 123.8 | 40 | 32 | 12 |
| 250 125 | 250 | 123.8 | 40 | 32 | 12 |
| 160 160 | 160 | 158.7 | 40 | 36 | 16 |
| 200 160 | 200 | 158.7 | 40 | 36 | 16 |
| 200 200 | 200 | 198.6 | 40 | 50 | 20 |
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