Have you got a fish tank in your family or office? Do you want to give the fish fresh environment? Please pay attention to our product! This Non-return Check Valves for Aquarium Air Pump1X is a must-have for fish keeping enthusiasts. As long as you own this Check Valves for Aquarium Air Pump, you can prevent water from damaging other equipments. Is it a supply facility of small guards? Made of excellent material, it is durable and reliable for your long-term use. When it comes to price, it is a real bargain!<!--Features --><p>FEATURES</p><UL><LI>New and high quality</LI><LI>Portable and practical</LI><LI>Designed for using in warm aquariums</LI><LI>A must-have for each fish keeping enthusiast</LI><LI>Durable and reliable for your long-term use</LI></UL><!--Specifications --><p>Specifications</p><UL><LI>100% brand new and high quality</LI><LI>Supreme Anti-reverse effect</LI><LI>Fit for: 4/6mm tube</LI><LI>Dimensions: 1.65 x 0.51" / 4.2 x 1.3 cm (L x Dia.)</LI><LI>Weight: 0.14 oz / 4 g</LI></UL><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Check Valve for CO2 Air Pump Tropical marine Aquarium</LI></UL><!--Extra Info --><!--produts_compatibility -->