Pawfly Aquarium Air Control Valves for 316 ID Airline Tubing Single Way Plastic Air Flow Controllers Regulators Adjustable Black Hose Connectors Air Pump Accessories for Fish Tanks 10 Pack

Single Way Valves Tshaped structure with a straight single way for air to get through Great to be used in fish tanks aquariums aquaculture gardening or drip irrigation system Compact Size 15 L x 08 H Right for standard 316 ID airline tubing The layers on each joint make it connect tightly with the hose to effectively prevent slipping out Free Adjustment Simply twist the knob and adjust it from closed to wide open to regulate the air flow rate Nonslip during use due to the texture on the knob surface Reliable Plastic Made of healthy plastic for longtime use it causes no adverse effect to your lovely fish Extremely lightweight to be set up without effort Easy to Install Cut the air tube into 2 sections and insert the air control valve directly to connect them Twist the knob counterclockwise to open and clockwise to close it.