Aqueon 12 Pack of Replacement Filter Cartridges, Large, for QuietFlow Aquarium Filters Nawhed 3 Interactive Modes: You can

3 Interactive Modes: You can easily switch modes (Normal

ELDERBERRY & MUSHROOMS

Easy to Use Powder

aids in digestion

beep+vibration

Aqueon 12 Pack of Replacement Filter Cartridges, Large, for QuietFlow Aquarium Filters Nawhed 3 Interactive Modes: You canFeatures: 12 total large Filter Cartridges For optimal performance, change approximately every 4 to 6 weeks Fits Aqueon QuietFlow Filter: LED PRO Size 20 & up and E Internal 40 gallon Installs in seconds: align cartridge bottom key slot for an accurate fit inside the Filter Ready to use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing Details: Patented dual sided dense floss cartridges contain over 25%