1. Product name:Aquarium fish tank air stone
2. Material: silicon carbide
3. Weight: 40g
4. Color: gray
5. Size: 40mm/50mm/60mm/70mm/80mm/100mm/120mm
6. Product features:
1) Good gas diffusion and filtering
2) Ozone and corrosion resistance
3) Durable
4) Can be reused and washed repeatedly
5) Fine bubbles and large air volume