Elite Carbon Cartridge For Hush 10 Power Aquarium Filter, 2-Pack

The elite hush 10 pre-filtration pad polishes aquarium water while the activated carbon removes discoloration and odors. The easy to use disposable cartridge should be replaced monthly. Never replace all filter inserts at the same time in order to ensure constant presence of biological activity. Includes 2 cartridge per pack. This product weighs 0.25-pound. Measures 4-inch length by 3-4/5-inch width by 6-1/2-inch height.