2pcs Large Air Bubble Stones Cylinder Aerator Diffuser Aquarium Fish Ponds 2"X4"

Description

Feature:
RELIABLE RESULTS
- Effectively adds and circulates oxygen and nutrition while lowering CO2 levels in your aquarium or hydroponic growing system
UPGRADE YOUR GROWING
- Made from environmentally-friendly and non-toxic mineral material, extend the life of your nutrient solution, keep roots healthy, and invigorate your aquatic life without worrying about adverse effects
PREMIUM SPECS
- It's measured 4" Height and 2" Diameter, fits to 4mm/0.16" (Inner diameter) air tubing. Can be used with a high-output air pump for air circulation
FINE BUBBLES
- High-quality mineral material with microvoid design makes an abundance of small bubbles for oxygen replacement
MULTI-USE
- Fit for hydroponic systems, ponds, aquariums, fish tanks, and other water-based systems. Simply attach airline tubing to the air stone and place it in the desired location
Package Includes:
2 x  Air Bubble Stones
Frequently Asked Question:
Q: How long will an air stone last?
A: It depends on your aquatic environment’s pH level. Generally, they last several years if well-maintained.
Q: Will it fit in a 3/16” or 3/8” inner diameter air hose?
A: We recommend a 3/16” inner diameter standard tubing.
Q: Is the flow rate of these air stones 5L/min for each air stone or 2 X 2.5L/min?
A: Each air stone is 2.5L/min. Two combined makes 5L/mi