1. Widely versatile: Great for freshwater or saltwater/reef aquariums and hydroponic use; Increase oxygen levels (i.e. "blow off" CO2 and raise pH); Can be easily driven by even nano air pumps.
2. Medium Bubbles: The air stone bars produce an abundant cascade of bubbles - which form a rectangle bubble wall - increasing oxygen in your tank.
3. Model A023: Standard ID airline tubing: 3/16 inch.
4. Easy to clean: Clean regularly using a brush, as they get clogged after weeks or months of usage.