Perfect Size C Compatibility – Designed to fit Rite Size C type aquarium filter cartridges and serve as a compatible replacement for EZ-Change #3 filters. Fits Aqua-Tech 20-40 & 30-60 gallon power filters, and is also compatible with Marineland Penguin PRO power filters (models 200, 275, 350, 375). This is a compatible replacement part, not an OEM product. Clear Water & Odor Control – This aquarium carbon filter cartridge helps reduce fish tank odors, discoloration, and debris, improving water clarity and keeping your aquarium environment clean and fresh. Activated Carbon Filtration – Built with premium activated carbon, this fish tank filter cartridge effectively absorbs impurities and helps maintain healthier water conditions for your fish. Easy Installation & Replacement – This aquarium filter cartridge features a quick drop-in design for fast installation. No tools required. Replace every 2–4 weeks for optimal filtration performance. Value 12-Pack for Long-Term Use – Includes 12 aquarium filter cartridges, providing a cost-effective solution for regular aquarium maintenance and long-lasting use.

Maintain clean and clear aquarium water with these Rite Size C Aquarium Filter Cartridges, designed for easy replacement and dependable filtration.

Perfect Fit: Built to standard Rite Size C specifications and compatible with Marineland Penguin PRO power filters models 200, 275, 350, and 375, providing a secure fit and stable water flow for routine aquarium maintenance.

Cleaner Water & Fresher Tank: Featuring activated carbon filtration media, these cartridges help trap debris, reduce water cloudiness, and absorb impurities and odors—supporting a healthier environment for fish.

Replacement Tip: For best results, replace the cartridge every 2–4 weeks depending on tank size, fish load, and water conditions.

12-Pack Value: A convenient, cost-effective set for ongoing aquarium care. Please confirm your filter uses Rite Size C cartridges before purchase.

This is not Marineland a OEM product. Marineland brand names and logos are the registered trademarks of their respective owners. Any use of the Marineland brand name or model designation for this product is made solely for purposes of demonstrating compatibility.