10 Pcs Air Pump Check for Valve Plastic Non-Return for Valve One Way Stop for Valve for Fish for Tank Aquarium Water Air

One way Durable Efficient, Effective for protection for your pump Great one way check for valve for aquarium air pump. Non Return anti syphon valves to protect your electrical equipment. (air pumps etc) Colour: red Material: Plastic Length: about 5.50cm/2.17" Quantity:1Set(10pcs)

Package includes: 1Set(10pcs) x One Way Check Valves(not included others)