XMXKEJIAZ Mini Aquarium Sponge Filter, Filters for Small Fish Tank Filter Foam Air Stone Quiet Betta Fry Shrimp Bio Tanks up to 20 L

Dual Filtration System: This Sponge Filter Integrates Mechanical And Biological Filtration, The Dense Foam Captures Food Residue And Debris, Suitable As Sponge Filters For Aquarium To Stabilise Aquatic Water Environment Quiet Air Driven Operation: The Mini Aquarium Sponge Filter Works With An Air Pump, Generates Fine Bubbles For Oxygen Exchange, Creates Gentle Water Flow Without Disturbing Betta, Fry And Shrimp Detachable Structure: The Main Shell Can Be Opened Freely, Users Can Take Out The Filter Sponge And Filter Media Directly For Rinsing, Simplifying Daily Maintenance Work Applicable Tank Range: This Small Fish Tank Filter Fits Fish Tanks Up To 20 L, Compact Structure Occupies Limited Space Inside Mini Aquariums And Breeding Tanks Wide Compatibility: The Sponge Filter Adapts To Freshwater Environments, Ideal For Rearing Small Fish, Shrimp And Fry, Can Be Matched With Standard Aquarium Air Pumps