From the manufacturer

Available in 3 sizes

If you find your filter is noisier than you would like, then there are some things that can be checked.

First, please be aware that operating the venturi will create unavoidable noise as air is forced into the water flow under pressure. If the noise is disturbing, the venturi can either be turned down or insert the air inlet stopper.

Second, Check the impeller. The impeller should be carefully removed and cleaned using a soft cloth. A small brush or cloth may be inserted into the impeller chamber, removing debris inside. Once the impeller has been cleaned the magnet should be inspected for any damage such as cracks or pieces missing. If the impeller magnet is damaged in anyway, the impeller should be replaced.

Refer to your user manual when ordering monthly service packs to ensure the correct size

Your filter is full of all the essentials you need for a healthy and clean aquarium. Corner Power Filters have been conveniently designed to fit corners, with directional adjustable flow and an optional spray bar. In addition to the effective five stage filtration including Bio-Media to create healthy water by acting as a home for essential bacteria which removes toxic fish waste. Mechanical Floss which clears water by trapping finer waste. Mechanical Sponge trapping larger waste. Carbon purifies water by removing dyes, toxins, heavy metals and odours and the built-in venturi injects tiny bubbles returning clear and healthy water into the aquarium. Replacement cartridges are easily available in packs of 3.