About this item

• EZ-Change number 3 filter cartridge is compatible with AQUA-Tech 20-40 and 30-60 power filters, and also fit for Marineland Penguin PRO power filters 275/375, Penguin power filters 200 350 - Rite-Size C
• Each fish tank filter cartridge contains premium activated carbon, the grid design makes full contact between the activated carbon and water, durable and long lasting, it offers clean and fresh water for fish, make them more healthier
• Aquarium filters 30-60 gallon/20-40 gallon fish tank are easy to change. To ensure optimal cleanliness, we recommend replacing the aquarium filter cartridges every 2 to 4 weeks
• Please turn off and remove the used cartridge and flush the new cartridge under cool water to remove dust
• If you have any questions, please feel comfortable to let us know