The Hobby Metal T Joint 4/6 is a high-quality aquarium accessory designed for connecting air tubing in aquarium setups. This T-shaped connector is made of durable metal and accommodates tubes with 4/6mm diameter, providing secure and reliable connections for air distribution systems. Key features: • Durable metal construction • T-shaped design for 3-way connection • Compatible with 4/6mm tubing • Corrosion resistant • Secure fit for airtight connection • Compact size This T-joint connector is specifically designed for aquarium air distribution systems. The metal construction ensures long-lasting performance compared to plastic alternatives. The connector allows you to split a single air line into two outputs, making it ideal for running multiple air-powered devices from one pump. The 4/6mm size is standard for most aquarium air tubing setups.