Aquarium Air Tubing Accessories Non-Return Valves,Check Valve for 3/16 ” Fish Tank Air Line (Black 12 pcs)

Description

Aquarium Air Tubing Accessories Non-Return Valves, Check Valve for 3/16 ” Fish Tank Air Line Fit for 3/16″ Air Tubing,air pump, fish tank, aquarium. Small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage.