ITEM NAME:2PCS Aquarium Plants Tank One Way CO2 Non Return Check Valve Feature: Brand new one way check valve. Made of durable plastic,small and compact, easy to install. Great one way check valve for aquarium air pump. Compatible with standard aquarium air pipe of 4mm inner diameter. Protect you air pump by preventing aquarium water from back siphoning during a power outage. &;nbsp; Material: Plastic Color: Red Quantity: 2Pc Full Length(approx.): 45*15*4mm &;nbsp; Package includes: 2 x One Way CO2 Check Valve &;nbsp; Note: 1.Due to the light and screen difference, the item&;#39;s color may be slightly different from the pictures. Please understand. Make sure you don&;#39;t mind before you.Great one way check valve for aquarium air pump. Anyway we will try our best to avoid this kind of thing. Due to the light and screen difference, the item&;#39;s color may be slightly different from the pictures.
