เช็ควาล์ว ไฟวาลโก้ Double Door Check Valve Water Type ยี่ห้อ Fivalco 2-1/2inch
| ITEM | Size | Price |
| Check Valve | 2-1/2" | 3,840 |
| 3" | 4,440 | |
| 4" | 5,040 | |
| 6" | 7,800 | |
| 8" | 11,040 | |
| 10" | 20,040 | |
| 12" | 28,800 |


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