General description This Aquarium Air Stone Bubbler is designed to enhance your aquarium or fish tank experience by creating a cascade of tiny bubbles that increase oxygen levels, reduce CO2, and raise pH. It is the perfect companion for your air pump, ensuring a vibrant underwater environment that fish will love. The air stone not only improves water quality but also adds an aesthetic appeal with its iridescent underwater scenes. Technical specifications Color: Gray, Black Material: ABS Plastic Stone Diameter: 130mm Package Contents: 2 x Air Stone Usage Soak the air stone in water for 15 minutes before use. Ideal for use in ponds, aquariums, and fish tanks. Creates water currents and tiny bubbles that enhance fish habitats. Other information Durable and washable; sintered at high temperature for longevity. Very quiet operation due to its solid and porous structure. Can be removed and washed repeatedly when dirt blocks air bubbles.