Name: Aquarium Fish Tank Air Stone
Size: 5CM, 10CM, 13CM (Moby Dick Gas Disc (metal interface)
Material: quartz sand
Color: White
Caliber: 4mm trachea
Packing: color box
Peculiarity:
1) Good gas diffusion and good filterability
2) Ozone resistance, corrosion resistance
3) Durable
4) Reusable, repeated washing
5) The bubbles are fine and the gas volume is large