10 Pieces 2 Inch Air Stones for Aquarium Air Stone Ball Bubble Diffuser Release Tool Fish Tank Air Bubbler for Aquarium Air Pumps Fish Tanks Buckets Ponds and DWC Reservoirs Accessories, Gray

10 Pack Air Stone: you will receive a total of 10 air stones, enough quantity to meet your daily use and replacement demands, which can produce rich dense air bubbles, a simple way to increase oxygen solubility and liven aquatic life in your aquarium Specification: made of quality material, this air stone diffuser is safe and reliable, with a jetting volume of 25 L/min, recommended air pump power is >5 W, and the standard ID airline tubing is 3/16″ or 3/8″, well built and efficient for long time service Small and Compact: our air stones for aquariums adopts a ball shape, which measures approx. 2 inches, small and compact, easy to carry and store, without occupying much space, practical and convenient Simple to Use: the 2 inch air stone is easy to use, you just need to soak it completely in water for 1-2 hours before use; And it is recommended to clean it regularly with a brush to avoid clogging after weeks or months of use Widely Applicable: the fish tank bubbler stone can be widely applied for various hydroponic systems, small ponds, aquariums, fish tanks, air pumps, reservoirs and more