Aqua One Impeller Set - 500/700 Aquis 37i

A brand new Aqua One 37i Impeller to fit the Aqua One CF 500 and Aqua One CF 700 external canister filters. It’s a simple thirty second job to change this impeller and well worth doing as it’s the only moving part in the whole filter 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 filter performance. Keeping a spare impeller for your filter is one of the smartest things you can do to protect the health of your live stock.