Aquarium Check Valves 16pcs Plastic One Way Non-Return Check Valves for Fish Tank Air Pump Clear

Description

Material: plastic Color: clear Quantity: 16pcs Size: Air Hole Diameter: 5mm/ 0.19inch Overall Size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD) Non Return Check Valves, 16pcs, enough for daily use and replacement. Air Hole Diameter: 5mm/ 0.19inch, overall size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD). Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc. Small and compact, which protect air pump by preventing aquarium water from back siphoning during a power outage.