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Underground Ventilation Ducts
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Underground Ventilation Duct - 10" (Diameter) x 16 ft (Length) - Spiral The 10” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 10" (Diameter) x 32 ft (Length) - Spiral The 10” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 11 13/16" (Diameter) x 16 ft (Length) - Spiral The 11 13/16” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F...

Underground Ventilation Duct - 11 13/16" (Diameter) x 32 ft (Length) - Spiral The 11 13/16” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F...

Underground Ventilation Duct - 13" (Diameter) x 16 ft (Length) - Spiral The 13” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 13" (Diameter) x 32 ft (Length) - Spiral The 13” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 15 3/4" (Diameter) x 16 ft (Length) - Spiral The 15 3/4” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and...

Underground Ventilation Duct - 15 3/4" (Diameter) x 32 ft (Length) - Spiral The 15 3/4” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and...

Underground Ventilation Duct - 17" (Diameter) x 16 ft (Length) - Spiral The 17” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 17" (Diameter) x 32 ft (Length) - Spiral The 17” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 19" (Diameter) x 16 ft (Length) - Spiral The 19” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 19" (Diameter) x 32 ft (Length) - Spiral The 19” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 23 5/8" (Diameter) x 16 ft (Length) - Spiral The 23 5/8” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and...

Underground Ventilation Duct - 23" (Diameter) x 32 ft (Length) - Spiral The 23” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and +176°F...

Underground Ventilation Duct - 7 7/8" (Diameter) x 16 ft (Length) - Spiral The 7 7/8” in diameter spiral tunnel and mining duct has a length of 16 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and...

Underground Ventilation Duct - 7 7/8" (Diameter) x 32 ft (Length) - Spiral The 7 7/8” in diameter spiral tunnel and mining duct has a length of 32 feet and is made out of a biaxial polyester. It is able to endure temperatures between -4°F and...