KLOUD City® Plastic Aquarium Fish Tank Non-return Air Pump Check Valves
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<b>[Product Information]</b><br>
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<li>Package includes 20 pcs of non-return check valves</li>
<li>Material : Plastic; Color : Clear, Black</li>
<li>Hole Diameter : 2mm/0.08"</li>
<li>Total Size :4 x 1.4cm/16" x 0.55"(L*Max.D)</li>
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