The EHEIM Activated Carbon Pad eXperience is a chemical filtration insert designed for use with EHEIM eXperience canister filters. It contains activated carbon to effectively remove dissolved organic waste, odors, chlorine, and medication residue, helping restore crystal-clear water and a healthier aquarium environment. Ideal for both freshwater and marine tanks, this pad is best used for short-term polishing after treatments or during new tank setup. Pre-cut for a precise fit, it offers simple installation and consistent performance to support overall water quality.