Fits Aqueon QuietFlow Filter: LED PRO Size 20 & up and E Internal 40 gallonReady-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacingInstalls in seconds: align cartridge bottom key slot for an accurate fit inside the FilterFor optimal performance, change approximately every 4 to 6 weeksDo not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria
-35%
Aqueon Replacement Filter Cartridge, Large
$2.90 Save:$2.00(35%)
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