Superfish 4/6mm Brass Air-Valves

Superfish 4/6mm Brass Air-Valves - View 3

Superfish 4/6mm Brass Air-Valves - View 4

Superfish 4/6mm Brass Air-Valves - View 5

Superfish 4/6mm Brass Air-Valves - View 6

$2.55 ~~$3.99~~ In stock

The Superfish 4/6mm Brass Air‑Valves give you dependable control over aquarium air lines, delivering solid performance for both freshwater and reef setups.

Constructed from sturdy brass for long‑lasting durability.
Designed to fit 4 mm or 6 mm air line tubing.
Available in multiple configurations: 1‑Way (pack of 3), 2‑Way, 4‑Way, and 5‑Way.
Simple turn‑to‑open/close operation for easy airflow management.
Ideal for precise air distribution across a variety of aquarium systems.

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Customer Reviews (4.8 / 5 · 4 reviews)

Chloe E. ★★★★★ Oct 21, 2026

Took my air line apart to clean the pump and these little brass valves made re-routing the tubing effortless, the 4/6mm fit snug without any leaks. They feel properly hefty in your hand, not flimsy like the plastic ones I've had crack before. Solid choice for a reef tank where you don't want surpris

Thomas ★★★★★ Oct 20, 2026

The threads cut into the air line cleanly and hold tight without any leaks, which is exactly what I needed for splitting flow between two tanks. These little brass valves feel solid enough to outlast the tubing they're attached to.

Andrew ★★★★★ Oct 19, 2026

I was worried the brass build would feel flimsy, but these have a real weight to them that gives me confidence in my reef setup. The 4/6mm fit is snug on my air lines, and the control is precise enough to dial in the exact bubble rate I want.