Key features

• •All-in-One Kit, No Extra Purchases Needed: Includes 52.4 ft of black airline tubing, a 4-way splitter, and 4 cylindrical bubble stones, perfectly compatible with Biling AC air pumps. Eliminate the hassle of matching accessories, quickly set up oxygenation equipment for ponds and aquariums, and save time and effort.
• •Flexible, Durable & Concealable Design: Premium black airline tubing features high flexibility, bends freely to fit different scenarios, and resists aging and breakage. It blends naturally into pond and septic tank environments without ruining the landscape, maintaining reliable performance for long-term use.
• •4-Way Splitter for Efficient Oxygenation: The dedicated splitter supports simultaneous connection to 4 bubble stones, enabling multi-area oxygenation at once. No additional split accessories required, precisely meeting the oxygen needs of large ponds or multi-compartment aquariums for uniform and efficient aeration.
• •Fine Bubbles Enhance Aeration Effect: Large cylindrical bubble stones continuously produce fine bubbles, improving oxygen diffusion efficiency. They help improve water quality, create a fresh and comfortable living environment for aquatic organisms, and maintain stable water ecology.
• •Safe Material for Multi-Scenario Use: The tubing and accessories are made of High-quality materials, suitable for ponds, aquariums, septic tanks and other scenarios, it delivers better performance and peace of mind when used with Biling AC pond aerator BL-40.