Canister lids ensures water tight seal
The polishing filter pad acts as a water polisher removing fine debris
The bio-filter balls and ceramic rings provide a large, multifaceted surface area for the growth of bio spires
Black Diamond Carbon Removes odors, discoloration and water impurities
Filter Foam pads screen out dirt and debris.Fills filter chamber with water for self-priming system startup.Please refer to the 6th main picture for the operation guide, the last main picture for operation precautions. If you find any problems in the process of operating the machine, please feel free to contact us, 24 hours online service for you!