Hydor Professional Canister Medium Black Coarse Filter Pads are designed to be in the first stages of the canister filtration sequence in order to remove the larger pieces of debris and organic matter from aquarium water before going through other stages of filtration. The medium pad is specifically cut to fit the Hydor Professional Canister 250 and 350.
Specifically cut for use with Hydor Professional Canister Filter 250 or 350
Box contains 2 black pads
Mechanically filters larger debris and detritus from aquarium water; Also provides living space for beneficial bacteria to live
This pad should be placed in the bottom filter basket and should be the first stage of filtration that the aquarium water passes through
It is recommended that these pads should be rinsed out every 1 to 3 months

