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DWHF-12/4-0-SP,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-12/4-0-SP,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-12/4-0-STK,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-19/6-0-SP,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-19/6-0-SP,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-19/6-0-STK,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-24/8-0-SP,DUAL WALL TUBING, FLAME RETARDAN
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DWHF-24/8-0-STK,DUAL WALL TUBING, FLAME RETARDAN