Air Duct Kit for Ventilation System in 4KRealistic air ducts with interior and exterior for mounting ventilation systems for your games.3 ScenesTexture dimensions = 4096 x 40961 PBR Atlas texture for the air ducts - Albedo, Ambient Occlusion, Metallic+Smoothness, Normal, Roughness and MaskMap.1 Texture for the floor - Color, Ambient Occlusion and Normal.1 Texture for de roof - Color, Ambient Occlusion and Normal.1 Texture for the wall - Color, Ambient Occlusion and Normal.UV mapping: yesAir ducts have 16 to 256 polygon countComplete Fan has 2,462 polygon countAir ducts supports have 320 to 456 polygon countWalls and Floors have 4 to 24 polygon count55 Meshes / 55 Prefabs*NOTE* Collision models or LODs are NOT included for any of the pieces. Prefabs are using box collider and mesh collider.