Hao Pro Air Pump Check Valves 4mm One Way for Aquarium Fish Tank Pump No Backflow Water Prevent Siphon Flood No Noise Fit Line Tube Hose White Clear Plastic 6Pcs
Description: Material:plastic Color:white Quantity:6 pcs Size:Pore diameter: 0.16in/4mm,overall size: 2.10.53in/5.41.35cm(LD). They are good air flow.Simple and reliable.Not easy to crack.The check valves prevent water escaping back up the air lines when the pump timer shuts off.They allow airflow through and prevent siphoning.A simple way to protect your air-pumps from backflow.
Product Features
- The check valves work very well at preventing back flow into your air lines.A simple way to protect your air-pumps from backflow.It can deliver air through the valve easily.They work well even for low pressure gasses.Just a little change in air flow.There is no backflow water to make it to the air pump.
- They allow airflow through and prevent siphoning.No noise at all with your set up.Suitable for oxygen pump in fish tank and aquarium,behind the aquarium,prevent aquarium flooding.Installed on the air line easily,clear plastic with reddish valve is easy to see,stops the back flow of water as intended.
- Keeps your air pump from getting water backflow when the power is interrupted.May cause the fish tank water flowing into the oxygen pump,resulting in the oxygen pump water damage or burn out.The check valve can solve this problem and your fish won't be lost.If you grab the hose and shook it around a bit,and you will notice that there is no water through.
- Material:made of transparent plastic,beautiful and durable.Packing specification: 6 white check valves,each weighing 0.1oz/2.8g.The mold has the thick plastic on the inlet port so the nipple hard to break off.
- Pore diameter:0.16in/4mm,overall size: 2.1*0.53in/5.4*1.35cm(L*D).They are small,fits very well into the tube,prevent flow from one side. Tips:Be careful when installing/removing them.
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