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pvc air duct
1.pvc cloth material and the end of duct have black sleeve
2.outside have suspension clasp to fix anywhere
3.orange,yellow is normal color
4.prevent the workers from the suffocating by improving dust air into fresh air.
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Profile pvc air duct
1.pvc cloth material and the end of duct have black sleeve 2.outside have suspension clasp to fix anywhere 3.orange,yellow is normal color 4.prevent the workers from the suffocating by improving dust air into fresh air.
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