AQUANEAT Replacement Canister Filter Pads Compatible to SUNSUN HW-304B/404B/704B/3000 CF500 Generic Filter Floss Aquarium Filter Media

Features: Generic pads for SUNSUN Canister filters HW-304B/404B/704B, HW-3000, Polar Aurora 525gph, Aquatop CF-500. 4x sponge bio filter pads (1xCoarse, 2xMedium, 1xFine): trap most visible debris particles without restricting water flow. (Reusable after rinsed) 12 pcs of white floss pads: Filter out fine particles providing crystal clear water. Provides both mechanical and biological filtration Tips for Usage and Maintenance: Maintenance of Sponges: The sponge will need to be rinsed every time it becomes dirty, about once every 1 to 4 weeks. After 6 to 12 months’ usage, the micro holes of sponge are gradually clogged by the tiny debris. So it is also recommended to replace the sponge once 6 to 12 months or when the sponge gets worn out.