Large Air Stone, Air Stone Hydroponics, 4 x 2 Inch Large Air Stone Cylinder Bubble Diffuser for Aquarium, Fish Tank, Pond and Hydroponics Air Pump, Growing System, Circulation - color: 2-Pack

About this item

• --Size: 4" x 2" x 2"; Recommended air pump power: 4 - 8 W; Standard ID airline tubing: 0.16" / 4 mm.If you feel that there are fewer bubbles, you can try using a high-power air pump, which will have a good effect
• --Medium Bubbles: With lots of micro holes on the aerator stones which allow abundant dense bubbles to spout from the cylinder. An ideal way to oxygenate your tank and enliven the aquatics.
• --Reliable Material: Made from washable silicon carbide. The material is sturdy , it causes no effect on the health of your aquatics. Help keep fish or roots growing healthily.
• --Easy to Use: Soak the aerator stones completely in water for 2 hours before use; Clean it regularly with a brush as they get clogged after weeks or months of usage
• --Widely Applicable: Fit for hydroponic systems, ponds, aquariums or fish tanks, and other systems, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth.