suitable for freshwater and planted aquariums, this air stone is easy to connect to most air pumps, ensuring a hassle-free setup. Its efficient oxygen diffusion supports plant growth, making it an essential accessory for aquarists seeking to create a thriving and balanced aquatic . Features -Color:Multi -Material:Acrylic, plastic -Size:10.50X8.90X6.90cm/4.13X3.50X2.71in -Note: Suitable for connecting 4mm pipes -Optimized oxygen supply aquarium air stone: provides consistent oxygenation to improve water quality and support the growth of fish and aquatic plants -Balanced bubble output aquarium air stone: generates uniform bubbles to ensure efficient oxygen distribution and maintain a healthy aquarium -Enhances aquarium beauty aquarium air stone: adds a decorative mist effect that complements the beauty of your fish tank and aquatic animals -Noise-free design aquarium air stone: operates with minimal noise, ensuring a tranquil atmosphere for both you and your aquarium -Durable attachment system: features a sturdy suction cup for secure placement, preventing movement or detachment during use Package list: 1 x aquarium air stone