Made of high quality ceramic, a durable and eco-friendly material that resists wear and corrosion and can be used for a long time. The housing is made of ABS plastic to good sealing and the interior uses new noise reduction technology to reduce vibration generated by the machine. It can be placed anywhere and operates silently. It is equipped with a ceramic rotor with a smooth and removable surface for easy cleaning, which guarantees greater durability. Suitable for aquarium pumps, air conditioning pumps, carving machine pumps, craft pumps, garden fountains and other aquarium accessories. Easy to use and replace, just remove the filter head, open the bayonet lock on the rotor cover, remove the faulty rotor with shaft and bearings and replace it with a spare rotor with new bearings.