Leinuosen 20 Pack Aquarium Air Pump Check Valves Plastic One Way Non-Return C...

Description

Leinuosen 20 Pack Aquarium Air Pump Check Valves Plastic One Way Non-Return C...
Application: the check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning during a power outage
Quality: made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage
Practical design: the valves are detachable, you can unscrew to open it so as to clean and repair them easily
Measurement: the air hole diameter is 4 mm/ 0.16 inch, the overall length is approx. 4.2 cm/ 1.7 inches, proper size for most fish tank
Package contents: 20 pieces air pump check valves, sufficient for daily using and replacement; Color: black
Leinuosen 20 pack aquarium air pump check valves plastic one way non-return check valve air pump accessories for fish tank, black Features: Application: The check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning during a power outage. Quality: Made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage. Practical design: The valves are detachable, you can unscrew to open it so as to clean and repair them easily. Specifications: Overall length: approx. 4.2 cm/ 1.7 inches Air hole diameter: 4 mm/ 0.16 inch Color: black Package includes: 20 x Air pump check valves Note: Manual measurement, please allow slight errors on sizes.
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