- Efficient CO2 diffusion: small air holes ensure excellent CO2 diffusion and even distribution to optimize the aquatic system and promote the health of aquatic inhabitants. - Durable material: the diffuser is made of rust-proof aluminum alloy, enabling stable fine bubble diffusion while resisting wear. The robust construction helps prevent blockages during use and ensures steady oxygen supply in the aquarium. Ideal for aquarists seeking reliable CO2 diffusion with consistent long-term performance. - Seamless assembly: heavy-duty suction cups provide easy attachment to the aquarium glass. The space-saving U-shaped design offers reliable function and easy handling during installation. A practical and functional CO2 diffuser for aquarium owners. - Seamless fusion with decoration: features a beautiful design and precise workmanship. The smooth outer surface integrates with the aquarium aesthetics and complements existing decoration. Ideal for aquarists who value an attractive look and want to enhance their aquarium landscape. Use scenarios: - Densely planted freshwater tanks (20–80 L) requiring stable CO2 diffusion to support healthy plant growth. - Small aquascapes where appearance matters; diffuser blends with decor while delivering performance. - Long-term setups where durability and low maintenance are important; minimal blockages and consistent diffusion over time.