These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature. Use with 3/16 in. ID air line.
Large
- Flow Rate: 6-10 Liters Per Minute / 0.793-1.321 GPM
- Recommended Tank Size: 15 to 26.5 Gallon
Medium
- Flow Rate: 5-8 Liters Per Minute
- Recommended Tank Size: 10-22 Gallon
Small
- Flow Rate: 3-5 Liters Per Minute
- Recommended Tank Size: 5-15 Gallon