Round ventilation grille, 70 to 200 mm, made of stainless steel, ventilation tool for external wall ducts (100 mm)

Stainless steel material: These ventilation grilles are made of stainless steel for strength and durability. They are rust-resistant and withstand various weather conditions. * Fine mesh design: The grilles feature a fine mesh that effectively prevents dirt from entering your room through the flange. Keep your indoor environment clean and dust-free. * Promotes air circulation: By installing these grilles on the exterior wall, you can ensure adequate air circulation between the inside and outside. Enjoy fresh, healthy air in your living or working space. * Easy installation: Simply insert the grille into the round hole on the exterior wall. For added stability, it can be secured with glue or cement. The installation process is simple and hassle-free. * Versatile applications: These grilles can be used for both wall and ceiling mounting, making them suitable for various environments such as residential, commercial, and industrial settings. They offer a practical solution for ventilation needs.