The Penn Plax Small World Replacement Cartridge for the Fishbowl Filter is designed to fit the Penn-Plax Small World filter kit. Filled with activated carbon this cartridge will help remove odors and discoloration in your bowl. Provides carefree maintenance, healthy fish and crystal clear water.
- Removes harmful gases and odors
- Clears up unsightly discoloration
- Top quality activated carbon
- Quick, easy, disposable