Aquarium Air Regulator Flow Tube Valve - 10pcs 4mm

Enhance aquarium air control with this 10-piece regulator flow tube valve set. Designed for 4mm oxygen tubes, these adjustable valves help you fine-tune air flow from your pump. What’s included 10 pieces Hose connector diameter: 4mm Material: plastic Key benefits adjustable flow to suit tanks, plants, and irrigation divides and regulates air through flow tubes compatible with standard 4mm tubing Specifications Material: plastic Hose connector diameter: 4mm Package: 10pcs Care tips Rinse before u