This aquarium oxygen diffuser plate is for creating a visually appealing bubble effect while improving water aeration. Its round shape and efficient performance make it suitable for various aquatic setups. Designed for quiet operation, it ensures a tranquil environment for your fish and aquatic plants. Features -Color:White -Material:ABS/ stainless steel/sandstone -Size:6.20X5.60X3.40cm/2.44X2.20X1.34in -Noisefree operation: experience a quiet and peaceful aquarium environment with this air stone, for nighttime use without disrupting your sleep. -Even oxygen distribution: the micronlevel bubble disc ensures even oxygen distribution, increasing the water's oxygen levels and supporting the healthy growth of your fish. - atomization: this air stone's advanced atomization technology enhances the surface area for oxygen exchange, helping to maintain excellent water quality. -Compatible with all aquariums: ideal for both freshwater and saltwater aquariums, providing a consistent and oxygen supply. -Highly durable: built to withstand longterm use, this air stone is durable and reduces the need for frequent replacements, making aquarium maintenance Package list: 4 x Air Stone Disc