ISTA Ceramic CO2 Diffuser 20mm Silicon Suction Cup - Aquarium Plants Atomizer Reactor

This Ceramic CO2 Diffuser enhances the contact time between carbon dioxide and your aquariums water, ensuring effective CO2 supplementation. Its ultra-slim design allows it to be installed at the bottom of your aquarium, increasing the diffusion rate.
Specialized ceramic is used to ensure proper diffusion regardless of CO2 flow rate, is very easily cleaned, and simple to replace. Plus, the replaceable ceramic prevents clogging, so it is never an issue! Long-lasting silicon suction cups are provided to keep the diffuser firmly in place. 1.75" dia. x 1.5" H