Hang On Aquarium Filter Progressive Filtering Hanging Waterfall Oxygenation Filter for 130L Fish Tank EU Plug 220V gray.Feature: 1. Dual Hanging Design: This waterfall filter features a double hanging system that securely attaches to your fish tank, providing efficient debris filtration while maintaining crystal clear water for your aquatic pets. 2. Waterfall Effect: The aquarium filter features a unique waterfall dripping design that enhances oxygenation, promoting a healthier environment for f