Aqua One Impeller Set - MariSys 240 Protein Skimmer 412i

A brand new Aqua One 412i Impeller to fit the protein skimmer pump of the Aqua One Marisys Pro under tank Marine filter. It’s a simple five minute job to change this impeller and well worth doing as it’s the only moving part in the whole skimmer and subject to a fair bit of wear and tear as it spins at thousands of revolutions every minute of every day. Change once per year for constant quiet skimmer performance. Keeping a spare impeller for your skimmer is one of the smartest things you can do to protect the health of your live stock.