DescriptionThis air bubble stone is made of fine material for durable and long-lasting use. Designed to add oxygen and circulate nutrition to your hydroponic growing system or aquarium. Suitable for hydroponic systems, ponds, aquariums, fish tanks and other systems.Features-Color:White-Material:Corundum -Size:4.50X2.00X2.00cm/ 1.77X0.79X0.79in -Adopted of premium material, it is practical and durable with long service life. -Increases air flow circulation to oxygenate water that is beneficial to aquatic lives. -Lightweight and compact, easy to operate. Unique appearance, simple and stylish. -A great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system. -The bubbles are uniform, small and dense, with good oxygenation effect.
