Enhance your boat or RV's ventilation system with this stainless steel air damper. Its wear-resistant material ensures durability, while the louver design allows for flexible airflow. Suitable for various applications, it helps maintain a fresh and comfortable environment, making it an essential accessory for any marine vehicle. Features -Color:Silver -Material:Stainless steel -Size:12.50X12.50X1.00cm/4.91X4.91X0.39in -Inner diameter: 98 mm. -Enhanced air quality: the damper design provides precise airflow control, significantly improving the air your vehicle -Robust stainless steel: crafted from stainless steel, this vent cover is built to withstand damage and harsh conditions -Effortless installation: suitable for ventilation openings, it can be easily installed in rvs and boats, enhancing comfort in tight spaces -Temperature stability: keeps the internal temperature stable, making it ideal for prolonged use -Multi-scene use: ideal for use in rvs, boats, and other confined spaces, offering versatile ventilation solutions for various applications Package list: 2 x ventilation equipment