Aqueon Replacement Filter Cartridges 6 pack Large 5.24" x 1.75" x 5.7"

Maintain crystal-clear aquarium water with Aqueon Replacement Filter Cartridges in large size. Engineered with an even distribution of high-quality activated carbon throughout the cartridge, these replacements deliver more thorough filtration and a longer cartridge life than standard designs. Activated carbon effectively absorbs impurities, odors, and discoloration, keeping your aquarium water clean and healthy between water changes. The bottom key slot ensures a precise, secure fit inside compatible filters every time.

For best results, rinse the cartridge under water before installing to remove carbon dust, and replace every 4 to 6 weeks. Always leave the Bioholster in place when swapping cartridges — it houses beneficial biological bacteria that are vital to a balanced aquarium ecosystem. Comes in a convenient 6-pack to keep you stocked up for months.

Features:

• Even carbon distribution for thorough filtration and longer cartridge life
• High-quality activated carbon keeps water clean and clear
• Bottom key slot for accurate, secure filter fit
• Replace approximately every 4–6 weeks for optimal performance
• Pack of 6 large cartridges

Item Details:

• Rinse under water before use to remove carbon dust
• Do not clean Bioholster when replacing — preserves beneficial biological bacteria
• Compatible with Aqueon QuietFlow filters (large size)
• Ideal for routine aquarium filter maintenance
• Dimensions: 5.24" x 1.75" x 5.7"