12-Pack Large Aquarium Filter Cartridges, Compatible with Whisper Bio-Bag & Power Filters 20i/40i/IQ20-60/PF20-60 (200/350 Models), for Clear & Healthy Tank Water

12-Pack Large Replacement Filter Cartridges for Tetra Whisper Bio-Bag Filters, Compatible with Whisper 20i/40i/IQ20/30/45/60 & PF20/30/40/60 Power Filters 200/350

• 🐋【Strong Compatibility】These replacement filter cartridges offer strong compatibility and are specifically designed for use with for MarineLand Penguin power filter models. They perfectly fit filters such as the Penguin PRO 275/375 and original Penguin 200/350, making them an excellent match for your aquarium filter system.
• 🐢【Quick Installation】To install, simply rinse the new filter cartridge under cool water to remove any carbon dust. Align the bottom key slot and insert it into the filter chamber, ensuring it fits securely and properly. This quick process helps maintain optimal performance for your fish tank with filter.
• 🐠【Excellent Performance】Made from high-quality cotton and coconut shell activated carbon, these ready-to-use filter cartridges provide triple-layer water filtration. They effectively keep your aquarium water clean and clear, supporting the health of your aquatic life in any aquarium fish tank setup.
• 🐟【Sincere Advice】For best results, it is recommended to replace the filter cartridge every 2 to 4 weeks. Regular replacement helps manage impurities and ensures your fish tank filters continue to operate efficiently, maintaining a healthy environment for your aquarium inhabitants.
• 🐙【100% Satisfaction】We are committed to your satisfaction. If you have any questions or issues, please contact us. We offer a prompt and courteous resolution, including a refund or replacement pack within 24 hours, ensuring your experience with our products is positive.