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reducing elbow:
1)high quality
2)size:20-110
3)abrasion resistant
| Number | Size | Number | Size | Number | Size |
| WD2001 | 20×20 | WD4001 | 40×40 | WD7501 | 75×75 |
| WD2501 | 25×25 | WD5001 | 50×50 | WD9001 | 90×90 |
| WD3201 | 32×32 | WD6301 | 63×63 | WD1101 | 110×110 |
pe reducing elbow