100% brand new and high quality One way 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: Dark Blue Material: Plastic Length: about 3.5cm/1.38" Quantity:1Set(10pcs) Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Set(10pcs) x One Way Check Valves(not included others)

• 100% brand new and high quality.
• Great one way check valve for aquarium air pump.
• Material: Plastic Length: about 3.5cm/1.38".
• Non Return anti syphon valves to protect your electrical equipment. (air pumps etc)
• Package includes: 1Set(10pcs) x One Way Check Valves(not included others).

100% brand new and high quality.Tairacy