Reginary 20 Pcs Air Stones 2 Inch for Aquariums, Ponds, Hydroponics, Ball Oxygen Bubbler Diffuser Stone Bubble Aerator for Air Pump, Fish Tank, Bucket, and DWC Reservoirs (Grey)

Features

• 20 Pack Air Stones: you will receive 20 grey air stones, a sufficient 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 hydroponics is safe and reliable, with a jetting volume of 25 L per minute; The 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 air stone can be widely applied for various hydroponic systems, small ponds, aquariums, fish tanks, air pumps, reservoirs and more