Simple and Convenient Finished Coat Vent Air Window

Simple and Convenient Finished Coat Vent Air Window. Integrated Bug Screen: Features 4mm holes to prevent insects while maintaining airflow. No Welding Required: Designed for bolt-on installation, eliminating need for welding or painting. Custom Color Options: Color customization available based on RAL Card standards. Moisture & Fume Reduction: Increases air flow to reduce heat, moisture, and dangerous chemical buildup. Versatile Application: Suitable for prefab houses, office buildings, container houses, and doors. High Security Rating: Rated A for security with modern steel construction. Automatic Operation: Features automatic open style for convenient ventilation. Certified Quality: Products pass CE, ISO9001, ISO14001, SONCAP, CIQ, and SASO tests.