Features: High grade CO2 aquariums adapter with corrosion resistant design ensures durability and minimizes gas loss through efficient redirection for plant growth. For standard CO2 equipment via seamless structure and leak proof connection, featuring rotation for easy installation in tight space. Ideal for DIY aquascaping enthusiasts maintaining plant tanks, whether creating aquariums or elaborate underwater landscapes requiring reliable gas supplementation. Perfectly integrates into marine ecosystems ranging from shrimp habitats to professional tanks, providing stable CO2 distribution for plant. The aesthetic elevates aquariums decors, combining industrial aluminum alloy functionality with modern aquascaping visual appeal. Specifications: Component: Aluminum Alloy Type: Three Option Size A:Approx. 2.7cm/1.06inch Size B:Approx. 0.98inch Size C:Approx. 3.2cm/1..26inch Quantity: 1pc Package Includes: 1pc Regulator Adapter or 1pc Tube(9.8ft) note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.