10Pcs Aquarium Check Valve, Aquarium Air Pump One-Way Non-Return Check Valve Airline Tubing Standard Air Pump Accessories for Fish Tank(7mm)
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- Working Principle---After adding the check valve, the air pump can be placed the water or below the water surface, and there will be no backflow of water when the air pump stops working.
- 3 Different Sizes Are Available---This aquarium one-way non-return check valve has 3 different sizes for you to choose, that can meet your different needs.
- Qualitative Materials---This aquarium one-way non-return check valve is made of high quality plastic material, which is beautiful and
- Matters Need Attention---When the position of the air pump is lower than the water surface, prevent the backflow of water from damaging the front air pump or other equipment.
- Wide Range of Application---This aquarium one-way non-return check valve is a wonderful accessory for aquarium air pump, whcih can be suitable for most aquarium air pump.
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