In a nutshell, these are our top picks for the Cheapest Flex Duct. | Package contains: 1 x Flexible Ventilation Ducting. The air duct made of double-layer aluminum foil, with high flexibility, friction resistance, and acid corrosion resistance. |Built-in steel wire helix to preserve the shape,shrink freely and max length is 2m. |High toughness, and can be bent freely to fit different angles of installation. |Wear-resisting, flame retardancy is good, temperature range from -30~150℃. |Suitable for high pressure, medium pressure, low pressure air conditioning systems and ventilation systems,cooking exhaust,dryer rooms, grow tents and other. |
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