• Eco-friendly material with fine craft, firm and anti-aging
• It should soak in the water first for 15 minutes before use.
• It is an important instrument to keep fish respiration
• Give your aquaculture a healthier nutrient balance with an oxygenating bar

ALL SIXTYSHADES OF GREY GOODS ARE HERE! CHECK MORE PROMOTION NOW!

Specifications:
Material: Mineral stone + Plastic Nozzle
Color: Black.
Item size:
Medium Size: 100mm (3.9" )Diameter X 19mm (0.75") High.
Large Size: 132mm (5.1" )Diameter X 19mm (0.75") High.
Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems.

Features:
1.【Application】: Air stone disc is suitable for 70cm to 120cm fish tanks. Air tap can be connected to 4mm dia. soft tube.
2.【Material】: Bubble stone made with high quality material. This air disk uses finely compressed material so the bubble is small.
3.【Long use time】: Washable, can be washed and and use repeately, if the bubble decrease, just clean the stone.It can be re-used for a long time.
4.【Function】: Round air stones will increase the level of dissolved oxygen in the water, produce a cylinder of fine bubbles which effectively oxygenate the water for your fish.
5.【How to use】: Immerse the air stone disc in water for about 15 min. To connect to air hose and set it horizontally. (Need to purchase another air pump, tracheal are used together.)

package includes:
1 * air stone discs