【2022 NEW UPGRADE AQUARIUM FILTER MEDIA】The aquarium filter pads adopts the latest nano bio-sponge filter and fibrous bio-sponge filter, which will not produce cotton fibers and particles, maintain good water quality and ensure the health of fish. 【ECO-FRIENDLY AQUARIUM FILTER FLOSS】Our aquarium filter media never use chemicals in production! Safe for all freshwater or saltwater fish, tanks and ponds. 【CUTTING AND REUSABLE】Product size:11.8"*15.7", the aquarium filter pads roll can be easily cut to fit any size you need with scissors, can be washed and repeated up to 200 times, meet your vast majority of requirements and save more money. 【WIDE RANGE OF APPLICATIONS】The filter floss for fish tank is ideal for freshwater or saltwater aquariums, this aquarium filter can be used as aquarium accessories, pre-filters for dry/wet filters, can be used for hanging filters, tank filtration filters, sump and pond filters. Great for freshwater tanks, saltwater tanks, reef aquariums, fish tanks,