• Tumble Aquarium Filter: – Imitates natural filtering, uses new material, cultivates bacteria, no need to replace. • Double Physical Filter: – Durable ABS case, protective cover, filter sponge for large impurities. • Dissolved Oxygen: – Bubble stone boosts oxygen, drives filter material, purifies water quietly. • EasyTo Use: – Soak before use, connect to air pump (not included), choose pump by tank size. • Easy To Clean: – Easy disassembly, suitable for various tanks, all waters.
