Durable
Efficient, Effective protection for your pump
Great one way check valve for aquarium air pump.
Non Return anti syphon valves to protect your electrical equipment. (air pumps etc)
Colour: as picture
Material: Plastic
Length: about 5.50cm/2.17"
Quantity:1Set(10pcs)
Package includes:
1Set(10pcs) x One Way Check Valves(not included others)