FRELEAN Sponge Aquarium Purifier | Double Layer Silent Oxygenating Microorganism Cultivation | Fish Tank Purifier for Freshwater/Small Aquariums | 16cm Adjustable Tube with Oxygen Hose

Produktbeschreibung

All-in-One Purification Solution - Sponge aquarium purifier combines mechanical and biological purification, eliminating frequent water changes while avoiding cloudy water and fish loss. Ideal for 5-20 gallon freshwater aquariums. High-Efficiency Oxygen Diffusion - Fish tank purifier's oxygen stone generates dense bubbles that increase dissolved oxygen by 40%, creating favorable conditions for beneficial microorganism growth and fish health. Silent-Functioning - Aquarium internal sponge purifier operates at