Transform your fish tank into a thriving aquatic environment with this nano bubble air stone disk. The nano mist diffuser technology ensures uniform oxygen distribution, promoting fish vitality and preventing water stagnation. Designed for quiet operation, this aquarium air bubbler stone is perfect for creating a peaceful atmosphere in your home or office. Features -Color:Transparent -Material:Acrylic, bubble stone -Size:7.30X7.00X4.00 cm/2.87X2.75X1.57in -Quiet performance: this air stone operates quietly, creating a serene viewing experience and making it suitable for nighttime use -Stable bubble: provides uniform oxygen distribution, enhancing the water's oxygen content and promoting fish health -Atomization: the high efficiency atomization technology increases the surface area for oxygen exchange, effectively preventing water quality degradation in your aquarium -Adaptable for all aquariums: suitable for both freshwater and saltwater environments, this air stone ensures a stable oxygen supply in any type of aquarium -durable: designed for longterm use, this air stone is highly durable, reducing the need for frequent replacements and making aquarium maintenance easier Package list: 2 x Aquarium Air Stones