Top Fin® CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count

DESCRIPTION Top Fin CN-S Corner Filter Cartridges are the perfect refill for the Top Fin CN10 Corner Filter. This 6-month supply of filter cartridges features activated carbon to help keep water clean and healthy. Only at PetSmart. Features: With activated carbon to help remove heavy metals, odors, pigments and organic waste6-month supply Includes: 6 CountIntended For: Refill for Top Fin CN10 Corner FilterProduct Dimensions: 5.9 in L x 4.3 in W (14.9 x 10.9 cm)Instructions:1. Remove used cartridge.2. Rinse new cartridge under cool water to remove dust.3. After rinsing, insert cartridge into filter chamber. Make sure cartridge fits completely into filter chamber.Caution: Never use soap, detergents, or cleaning agents while cleaning the aquarium or equipment as they can harm your fish. This is not a toy. Keep out of reach of children.Advice for Use: To help maintain a healthy aquarium, change filter cartridge every 3-4 weeks, or if water flow becomes obstructed. Remove carbon-infused filter cartridge when medicating water as carbon will absorb medications. It is recommended to change 25-30% of water weekly. Use a water conditioner and bacteria supplement (sold separately) every time you add fresh tap water to your aquarium.