Finco Airline Control valve 4mm 2pc

A standard air control valve designed to regulate airflow in aquarium airline systems. This non-inline style connects directly between sections of airline tubing, allowing for easy adjustment of air output to devices such as air stones or sponge filters.

Featuring a simple adjustment knob, it provides precise control over airflow to suit your setup. Made from durable, aquarium-safe materials, it ensures a secure fit with standard airline tubing and reliable, long-lasting performance. Ideal for fine-tuning air supply in any aquarium system.