Sell Air Disc/ Air stone 5 inches - BS015 best price

Fits standard 4mm air tubing. Excellent in producing oxygen, and creating very fine aeration air bubbles. The stone material can be soaked in water for a long time without damage. Good for both salt and fresh water aquarium and any glass surface. Easy to install and remove. Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems. Produce fine bubbles for oxygen replacement. Designed to add oxygen and circulate nutrition in your fish tank or hydroponic growing system. recommended to be used for air compressors. 132 x 19mm