Waycreat 2-Pack 4 Inch Aquarium Air Stone Air Stones Disc for Hydroponics Fish Tank Air Pump
- Air stone disc is a great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system. The bubbles of oxygen are smaller and....
- airstone made of reliable natural material and sintered at a high temperature, it is sturdy and durable.
- Fits for 3/16" / 4 mm inner diameter tube. Recommended Air Pump Power: 4W-8W. Measures 4" width by 1" height..
- Firm Suction Cups: The 3 small suction cups can be tightly attached to the tank to fix the disc, keeping it stable in water when bubbling.