100% brand new and high quality Features: This check valve is only suitable for CO2 equipment. Made of high quality stainless steel, it is not rusted and durable. Easy to install and use, simple and convenient. Prevent water from entering carbon dioxide. Do not use with air pumps and air compressors. Aquarium check valve only, other accessories demo in the picture is not included!
Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!