Bluecell Pack of 10 PCS Non-return Check Valves for Aquarium Air Pump/ Fish Tank Aquarium
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<b>[Product Information]</b><br>
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<li>Package included: 10pcs non-return check valves</li>
<li>Hole diameter: 2mm/0.08"</li>
<li>Product size: 4 x 1.4cm/1.7" x 0.55"(L*Max.D)</li>
<li>Material: Plastic; Color: Clear, Black</li>
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