Air-flow control gang valves for aquarium air pumpsAllows accurate control of aquarium air pump air-flowAngled flow control knobs for easy airflow adjustmentAccurately control air-flow of single or multiple air-driven devices. AccuAir Aquarium Gang Valves feature angled flow control knobs for easy access and precise adjustment of air-flow. Use with airstones, bubbles, air-driven decorations, or any aquarium device powered by air pumps. Bracket screw securely mounts valve onto aquarium frame. Durable plastic construction suitable for fresh or saltwater application.Please click on "More Information" for directions for use.

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