12 Pack Replacement Filter Cartridges - XS Replacement for Koller Products Extra Small Fish Tanks Filter, Refilled Filter Cartridges (XS) Size for Aquarium Kits Less 3 Gallons Aquarium Accessories
【3-Stage Filtration】 This premium filter cartridge utilizes dual-layer microfiber cotton and natural coconut shell activated carbon to achieve triple filtration. The dual-layer microfiber cotton filters and absorbs 99% of impurities, quickly and effectively removing contaminants to maintain water purity.
【Size Extra Small】 Compatible with power filters for various aquarium sizes, including the replacement for Koller Products 1.5-gallon, 2-gallon, and 3-gallon fish tanks.
【Easy to Install】 Simply turn off the filter, remove the used cartridge, and flush the new cartridge under water to remove dust. After rinsing, insert the filter cartridge into the flushing chamber, make sure the filter cartridge fits completely into the chamber. Easy grip tab keeps hands from getting wet.
【Premium Material】 The replacement for Koller fish tank filter contains natural coconut shell activated carbon, which has twice the adsorption capacity of ordinary activated carbon. It effectively removes odors and discoloration, quickly purifies the aquarium water.
【Value 12-Pack Set】 This XS fish tank filter cartridge contains 12 Pack XS Replacement Filter Cartridges, each can be used for 3-4 weeks, total can be used about 16 months. For optimum use, please adjusted appropriately to your feeding habits.
