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

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)