MediaLJia 20 Pieces Check Valves One Way Non-Return Air Stone Plastic Air Pump Accessories for Aquarium Fish Tank Hydroponics Air Pumps

Price: $9.98
Product prices and availability are accurate as of 2019-12-03 19:17:16 EST and are subject to change. Any price and availability information displayed on http://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
Availability: Not Available - stock arriving soon
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Manufacturer Description

?How to clean:
Unscrew and open up check valve, pinch the rubber boot inside valve to make sure small slit is open. Otherwise no air to tank.

?Be attention:
Please DO NOT use them with CO2 system.
If you dont need this Water Check Valve, please remember to take off the air tube(Silicone Hoses) out from water.

Product Features

Hole Outer Diameter : 4mm/0.16 inch; Overall Size: 43 x 15mm /1.7 x 0.6 inch (L*Max. D).Please DO NOT use them with CO2 system. Made of high quality plastic ,they are durable and clear .Place in your airline tubing between your air pump and aquarium water to prevent water returning down the airline. You can unscrew to open it. The detachable design makes it easier for you to clean and repair. If you meet the situation such as the the outlet inside gets stuck ,please use paperclip to poke it from Input side to output side . Protect you air pump by preventing aquarium water from back siphoning during a power outage. Package includes: 20 Pieces Aquarium Check Valve. If you dont need this Water Check Valve, please remember to take off the air tube(Silicone Hoses) out from water.

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