The AQUARIO Neo CO2 Diffuser Special Type made of acrylic has a flat outlet body with a side entrance and comes with a suitable suction cup The special ceramic membrane of the AQUARIO Neo CO2 Diffusor Special Type ensures very small and fine CO2 bubbles in the Aquarium, which means that the CO2 is very effectively dissolved in the water Due to the low overall height of the, this CO2 diffuserAQUARIO is a Korean Aquatics company providing affordable aquascaping solutions with great quality The Aquario NEO acrylic CO2 and Air diffusers create super small bubbles that are finer than most other CO2 diffusers Also, since they're made of acrylic, they don't break as easily as glass diffusersAquario Neo Diffuser Large Curved Clip Medium The AQUARIO NEO CO 2 Diffusor Curved Special is an acrylic CO 2 Diffusor that brings the features of the NEO Special Type and upgrades them with yet another smart attribute It is equipped with a very narrow diffusor body and the connection to the pipe a