Top Fin Retreat Filter Large, If-S (2 Count)

Keep your aquarium clean and healthy with Top Fins Element Filter Cartridges. These cartridges help absorb odors pigments and chlorine with activated carbon. Its a great way to keep your aquatic friends happy and safe. Features: Helps absorb odors pigments and chlorine with activated carbon Easy to change Includes: (2) Filter Cartridges Intended For: Top Fin Filter Size: 4.3 in L x 2.3 in W x .75 in H Instructions: Rinse the filter cartridge under cool tap water to remove dust. To help maintain a healthy aquarium change the filter cartridge every 3-4 weeks or if water flow becomes obstructed. Remove the cartridge when medicating the water as the carbon will absorb the medications. Change out 10% of the water weekly or 25% monthly. Caution: This is not a toy. Keep out of reach of children.