- Fits Aqueon QuietFlow Filter: LED PRO Size 10 and E Internal 20 gallon
- Ready-to-use cartridge contains high quality activated carbon that keeps water clean
- Installs in seconds: align cartridge bottom key slot for an accurate fit inside the filter
- For optimal performance, change approximately every 4 to 6 weeks
- Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria
- Rinse before use
- Size: Medium
- Dimensions: 4.9" x 2" x 5.7"
- Fits Aqueon QuietFlow Filter: LED PRO Size 20 and up and E Internal 40 gallon
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