[b]About Murtenze[/b] Murtenze is a trusted brand committed to delivering [/b] high-quality products.We strive for excellence and provide [/b] customers worldwide with reliable hardware solutions that exceed expectations.[/b][/b] [b]Continuous Improvement and Innovation[/b] Continuously innovating hardware products to deliver superior functionality and enhanced efficiency, meeting the evolving needs of our customers.[/b] Stay ahead of industry trends with our cutting-edge [/b] solutions for all your hardware needs.[/b][/b] [b]Premium Quality and Reliability[/b] Quality comes first. Rigorous testing and strict quality control guarantee [/b] our hardware products' durability and performance. [/b] Trust in long-lasting satisfaction with Murtenze.[/b][/b] Features:[/b] Specially designed check valves protect your air pump by preventing aquarium water from being sucked back in the event of a power failure.[/b][/b] Specification:[/b] Product Name: Aquarium Air Check Valve[/b] Material:Acrylic[/b] Color: Clear, Black[/b] Outlet Diameter:4mm/0.16"[/b] Total Size: Show As Picture 2[/b][/b] Package Includes:[/b] 1 x Aquarium Air Check Valve[/b][/b] Warmly Note:[/b] 1. Colors may vary due to different displays.[/b] 2. Please allow for a 1-2mm manual measurement error.[/b] 3. Please choose the right size before bidding.