Bottom outer hole diameter: 30mm, bottom inner hole diameter: 28mm
Product length: 70mm, box entry size: 36mm
| 36mm opening * 70mm long sound guide tube air outl |
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| Item： | C1 guide tube | Product Name： | 36mm opening * 70mm long sound guide tube air outl |
| Descriptions： | Outer hole diameter: 43mm, inner hole diameter: 32mm
Bottom outer hole diameter: 30mm, bottom inner hole diameter: 28mm
Product length: 70mm, box entry size: 36mm |
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