This 3-in-1 Compact V-Shaped CO2 Diffuser performs as a CO2 bubble counter, check valve, and a diffuser - three functions in one! As a diffuser it enhances the contact time between carbon dioxide and your aquariums water, ensuring effective supplementation. As a bubbler, the transparent acrylic body allows you to easily monitor the dosing rate of CO2 into your aquarium. Plus, the stainless steel check valve effectively prevents back flow and siphoning!

The unique V-shape design of this 3-in-1 diffuser prevents the CO2 pipe from being bent.Specialized ceramic is used to ensure proper diffusion regardless of CO2 flow rate, is very easily cleaned, and simple to replace! Long-lasting silicon suction cups are provided to keep the diffuser firmly in place 2.75" x 1.75" x 2.5"