Compatible with: Replacement Canister Filter Pads Compatible with SUNSUN HW-302 /505A, for Polar Aurora 265GPH, and CF-300 Aquarium Filter Media Sponge Floss, Aquarium Sponge Media Parts Canister Filter Floss Pads, allowing for simple and easy media replenishment, Don't worry about cutting to size, these pads fit directly into media trays within these for Canister Filters, Our replacement pads help purify water quality and keep your aquariums, turtle tanks, and fish tanks clean and healthy

High Efficiency Filtration: Multi-layer structure intercepts impurities step by step, reduces clogging, prolongs the cleaning cycle, maintains water clarity, which better filters fine particles and adsorbs odors without restricting the flow of water, providing a healthier environment for your fish, Resine the bio sponge pads with tank water for optimal water quality, do not use tap water

Longer life cycle: Made of soft collapsible foam, our sponge pads are highly elastic and have good breathability and water permeability, no need to worry about sucking the fish away or obstructing the normal water flow, Multi-stage filtration system with coarse pads for larger debris and fine white floss for smaller particles, Filter pads help maintain crystal clear aquarium water by trapping debris, waste, and floating particles, Washable and reusable after cleaning

Physical Filtration and Biological Filtration: Provides both mechanical and biological filtration, All the sponge filter media pads can Trap most visible debris particles without restricting water flow, Please Note: Due to the vacuum packaging the sponge pads may look thinner, which does not affect the filter effectiveness and you can soak them in water for 5-10 mins to get its original dimension, if you need a quick rebound, You can soak it in warm water

Package Contains: 4 pcs of sponge bio filter pads (1x coarse Blue, 2x medium Green, 1xfine Black): trap most visible debris particles without restricting water flow, 12 pcs of white floss pads: Filter out fine particles providing crystal clear water, For stronger filtration, you can use two pads at once, it is recommend to replace coarse filter every 2-3 months and replace floss filter every 1-2 months (depend on usage)