ITEM NAME:Non-return Valve for 4mm pipe valve pump Air Aquarium fish A8B2 Non-return Valve for 4mm pipe valve pump Air Aquarium fish A8B2 100% new and high quality An essential accessory for every air pump. Provides pump protection size:4mm Color: random Suitable for 99% of air pump and for 4mm pipes Package include: 1 x anti return valve. Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
