DescriptionAre you looking for a professional, yet affordable air stone? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional air stone must meet your needs. It is one of the best choices for you.Features-Color: Blue-Material: Natural fine sand -Size: 2.50X2.50X4.00cm/0.98X0.98X1.57in-Adopted of premium material, practical and durable with long service life. -Increasing air flow circulation to oxygenate water that is beneficial to pet fishes. -It is used to increase oxygen in the fish tank, and is used with air pipe and oxygen aeration device. -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.
