【Features】
DeKago Air Stone for Aquarium Fish Tank made of mineral material via sintered with a high temperature, safe and reliable.
The oxygen bubbler stone disc is moderate in size and output a large steady stream of tiny bubbles, no leaks,
add enough oxygen to your fish, and also make your fish tank more beautiful.
Aerator Bubbler Diffuser also can extend the life of your nutrient solution, and promote root growth,
it's a must-have aquarium air pump accessories for aquariums.

【Specifications】
1.Airstones Color: Grey
2. Dimension: approx. 2 "D x 0.6" H
3. Pump Power Needed: ≥3W
4. Suitable for: 3/ 16” and 3/8” standard ID airline tubing
5. Soaking Time: 1 -2 Hours
6. Application: fish tanks, aquariums, small ponds, hydroponic systems, DWC systems of small gardens and so on.

【Notes】
1. Please soak the air stones for aquariums in water for 1-2 hours before first use.
2. please change the airstone bubbler with a higher power if the bubble diffuser doesn't have bubbles in one part.
3. After a long-term usage, please clean the air bubble stone surface with a brush if bubbles lessen.

【Package】
2 PCS control valve
4 PCS aquarium air stone disc 2 inches
Note: Package Only included control valve and air stones, NOT included air pump and airline hose.