20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps

20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps

$11.32
$11.32
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20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
  • 20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps
20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps

20Pcs 4mm Plastic Aquarium Air Pump Check Valves Anti-Backflow Water Protection Non-Return Valves for Fish Tank Oxygen Pumps

$11.32
$11.32

About this item

  • Backflow Prevention: Effectively blocks water from flowing back into air pumps to secure equipment from damage and extend pump lifespan
  • Universal Compatibility: Designed for 4mm inlet/outlet pressure gauge tubes and compatible with most standard aquarium air pump systems
  • Durable Construction: Made from premium plastic material that ensures long-lasting performance
  • Flexible Installation: Allows air pump placement either above or below water surface without backflow concerns during power outages
  • Complete Value Set: Package includes 20 check valves providing reliable backup solutions for multiple aquarium setups

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