Aquarium Air Stones – 2 Count (Gray, 2 Inches Long) Enhance the oxygenation and water circulation of your aquarium with these Aquarium Air Stones. This set includes two durable gray air stones, each measuring 2 inches in length, designed to be used at the end of your air pump. When connected, they generate a steady stream of fine bubbles that improve water movement and help increase oxygen levels, ensuring a healthier environment for your fish and plants. Perfect for both freshwater and saltwater aquariums, these air stones provide optimal performance while adding a soothing visual effect to your tank. Their compact yet effective design makes them ideal for aquariums of all sizes, creating a vibrant underwater atmosphere. Key Features: Set of 2 gray air stones 2-inch length for efficient bubble production Designed to connect to the end of an air pump to create fine bubbles Improves oxygenation and water circulation for a healthier tank Suitable for both freshwater and saltwater aquariums Adds a calming, bubbly aesthetic to your aquarium Boost your aquarium's health and aesthetic with these high-quality air stones, perfect for creating a dynamic and oxygen-rich environment!