Trickle fills are a new type cooling tower fills that combines the features of splash fills and film fills. Its grid structure can effectively improve the water distribution effect and disperse the hot water sprayed by the nozzle, thus improving the heat transfer performance. For use in power, refining, chemical, steel, and food processing applications where water quality is poor. It is suitable for cooling waters with higher contents of suspended solids, oils and the like.The cooling fill can by walked upon without temporary boards or the like, it will not be eroded from the sprayed upon cooling water and it can be flushed with high pressure water jets.