VDB file contains a high quality well optimized explosion with 3 volumes included ( density , temperature , flame ) .100 frames , 24 fps Each (Best for Feature Film and Cinematic s or Archviz and MoGraph) Made in houdini and optimized to be used in other pieces of software such blender , 3DS Max , C4D , MAYA , Unreal Engine ETC ...YT Links :https://youtu.be/0NNsxm5lMKc