BOGO Aquarium Air Flow Control Valve 2 Pack – Adjustable Single-Way Regulator

Easily manage your aquarium’s airflow with this single-way control valve, designed for precision and reliability. Perfect for adjusting air pressure from pumps to sponge filters, air stones, and bubblers. The simple twist knob lets you fine-tune air output for different tanks or devices — helping your fish and plants thrive with the right balance of oxygen.

Features:
• ⚙️ Adjustable air flow: Fine-tune the bubble rate or air stone output easily
• 💧 Leakproof design: Secure fit prevents slipping or backflow
• 🐠 Standard fit: Works with 3/16-inch (4 mm) airline tubing
• 🌿 Durable material: Made from strong, long-lasting plastic for continuous use
• 🧩 Simple setup: Connect hoses and twist the knob — easy installation in seconds

Perfect for betta tanks, shrimp setups, planted aquariums, and nano tanks where controlled air flow makes all the difference.