- Microbubble diffuser bar for aquarium, perfect for oxygenating the water and improving circulation - Made of durable materials: sand stone and plastic, non-toxic and safe for fish - Includes 3 bars of 31.5 cm each, ideal for home aquariums and hydroponic systems - Promotes increased oxygen and reduction of carbon dioxide in the water - Compatible with air pumps of 2W and above, for efficient performance - Easy to clean and reuse, extending its useful life and maintaining bubble flow - Simple installation: soak before first use and clean if obstruction is detected - Essential accessory to maintain a healthy environment in aquariums and fish tanks