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Aquariums & Accessories Air Pump Water Stop Valve Fish Tank Accessories Check Valve
$0.1$0.14-28.57%
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38*20*4mm
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High-Quality Aquarium Air Pump Check Valve
Durable silicone construction ensures long-lasting flexibility and airtight sealing, preventing water backflow effectively. Precision-engineered design guarantees smooth airflow control, protecting your air pump from damage. Transparent body allows easy monitoring of water flow direction for quick troubleshooting. Universal 4mm/5mm/6mm connector fits most standard air tubing, compatible with various aquarium setups. Ideal for freshwater and marine tanks, breeding tanks, hydroponic systems, and outdoor ponds. Ensures silent operation with no vibration or air leakage for a stress-free aquatic environment. Compact and lightweight for effortless installation behind filters or inside tight spaces. Reinforced inner structure resists cracking under high pressure, maintaining reliability in heavy-duty use. Essential backup safety device for both beginner hobbyists and professional aquarists. Sold in bulk quantities at unbeatable wholesale prices—stock up for your store or large-scale fish farm projects. Direct factory supply ensures consistent quality with no middleman markup.
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