• An airstone, whose purpose is to gradually diffuse air into the tank and provide oxygen for fish to breathe, is a necessity to have around your house if you are a lover of aquatic animals. Sawfly air stones are made of high-quality non-toxic mineral material. With high-temperature sintering, the stones are sturdy and durable, have a high dissolved oxygen rate, and create even and tiny bubbles rather than a limited number of large ones.

Item Name: Aquarium Air Bubble Stone (Medium Size).

Used For: Aquarium/Air pump.

Material: Stone & Plastic.

Round diameter: 1.5 inches (4 cm).

Nozzle Size (length): 0.5 Inch (1.5 cm).

Color: Multiple colors (red, blue, green, pink).

Item Weight (approx): ‎100 Grams (per piece).

• Helpful to control oxygen and CO2 flow.
• Included pictures are self-taken (ORIGINAL PICTURES).