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Galvanized white iron three-way smoke exhaust pipe spiral air duct dust removal 304 stainless steel three-way round welding T-type accessories
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Gray high temperature iron clamp pipe telescopic exhaust pipe mechanical equipment smoke exhaust dust removal vent pipe flame retardant high temperature resistant hose
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A Spiral Ventilation Duct Telescopic Soft Connection Air Duct Three-Proof Cloth Telescopic Hose with Steel Wire Ventilation Duct Canvas
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PE ventilation exhaust pipe range hood fan exhaust pipe retractable curved PE exhaust hose
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High temperature resistant silicone cloth fan soft connection canvas telescopic ventilation pipe flange soft connection square canvas soft connection
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Cement cloth bag tube fan canvas ventilation soft connection telescopic exhaust pipe silicone soft joint fire resistance and high temperature resistance
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Air Fan Canvas Soft Connection Fireproof and High Temperature Resistant Fan Soft Connection Silicone Cloth Retractable Fan Soft Connection
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