6PCS Aquarium Air Stone Set, Fish Tank And Bubble Diffuser Kit 2 x 30cm Bubbler Strips, 40mm Disc Stones Check Valves For Aquariums, Tanks Hydroponics

【Complete 6PCS Aquarium Air Stone Set】 This set includes 2 × 30cm air stone bars, 2 × 40mm disc air stones and 2 × one-way check valves. The different air stone designs provide flexible bubbling options for various tank layouts. The check valves effectively prevent water backflow when the air pump is switched off or temporarily stops running. 【Fine Bubble Diffusion & Efficient Oxygenation】 The porous surface of the aquarium air stone releases continuous streams of fine bubbles, helping improve oxygen distribution and water circulation. The dense bubbles create a stable aeration effect for fish tanks, aquariums and aquatic environments. 【Long Air Stone Bar for Wide Coverage】 The 30cm air stone bar produces an extended bubble stream across a wider area, helping distribute oxygen more evenly throughout the tank. It is suitable for larger aquariums or setups requiring broader aeration coverage. 【Compact Disc Air Stone Design】 The 40mm disc air stone creates concentrated streams of fine bubbles in smaller areas. Its compact round design makes it ideal for targeted aeration while adding an attractive bubbling effect to aquarium displays. 【Durable Material & Easy Maintenance】 Made from durable porous material, these air stones for aquarium are designed for repeated use. Simply soak before first use and rinse regularly to help maintain smooth airflow and consistent bubble performance.