High-quality 2-way aquarium air line flow control valve designed for standard 4/6mm airline tubing. Easily connects, controls, or reduces airflow from your aquarium air pump. Available in 5 to 50 pieces, making it ideal for both hobbyists and aquarium shops.

Durable 2-way I-shaped aquarium air line connector for joining standard 4/6mm airline tubing. Made from high-quality plastic, easy to install, leak-resistant with proper fitting, and available in 5–50 pieces.

Split one airline into two with this 3-way T-shaped aquarium air line connector. Made from durable plastic and compatible with standard 4/6mm aquarium airline tubing, it's perfect for connecting multiple air stones, sponge filters, and accessories while saving space and cost.