Check the listing for details. 8" Shipping Container Air Vent, 4 Pcs Cross Flow Ventilation Vent Dark Gray. Condition: New. Listed at 28.19 USD. Container vent covers are specifically designed for installation on freight containers, providing better ventilation, reducing condensation and moisture, and keeping cargo fresh and dry, and are widely used in the cargo holds of container trucks.SpecificationsColor: Dark GrayMaterial: ABS PlasticSize: 8 x 2.6 x 1 Inch / 205 x 67 x 25mm (L*W*H)Package List: 4 x Shipping Container Air VentAdventureThe container ventilation openings are made of durable ABS plastic, capable of withstanding various harsh environments and ensuring long-term stable operation under diverse conditions. The convex ventilation openings have holes at the bottom that slope downwards and inwards, with a rubber gasket for a good seal, preventing rainwater from entering.InstructionThe convex vent is simple, and operate conveniently.