13 Feet Airline Tubing Standard Aquarium Air Pump Accessories Set for Fish Tank, 2 Air Stones, 2 Check Valves, 6 Suction Cups and 4 Connectors

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【AIR PUMP ACCESSORIES】: Complete standard set of aquarium accessories for most air pump brands. No need to find here and there for different accessiries and no worries about mismatching at all.
【4M/13ft AIRLINE TUBING】: 3/16 inch Standard ID Clear and Flexible material. Desired length for most fish tank, it is resistant to dirt and easy to clean.
【2 AIR STONES】: 1.7 inch Airstone can be easily driven by even Nano air pumps. It can produce fine bubbles continuously to diffuse oxygen efficiently in your fish tank. Measure 0.8 x 1.7 inch (D x H).
【2 CHECK VALVES and 6 SUCTION CUPS】: Red clear Check Valves can prevent water from back siphoning.
【4 CONNECTORS ( STRAIGHT "I" & T-SHAPE )】: Perfectly connect standard tubing, T-connector allows you to combine two inputs to create one output with dual outlet pumps.