General description Made of high-quality 304 stainless steel, this 100mm round air vent grille is thick, rustproof, and designed to withstand the elements. It features a built-in insect net with fine mesh to keep pests away, ensuring optimal performance and durability. Technical specifications Material: 304 stainless steel Dimensions: 14 x 9.8 x 4.5 cm Fits: 4" diameter vents Compatibility and accessories Compatible with dryer exhausts, ducts, home vents, extractors, air conditioners, kitchen fans, gas and electric dryers, range hoods, and various industrial applications. Installation Easy to install; gloves are required during installation.