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Tetra & Whisper Filters

Imagine Bio3 Cartridges for Whisper Filters

Created by the original designers of the Whisper cartridges, these cartridges offer superior 3-stage filtration. The only cartridge currently available with a built-in biological sponge.

TetraTec Pro-II Cartridges

Replacement filter cartridges for TetraTec and Whisper brand power filters. Each dual density cartridge provides increased mechanical and chemical filtration for clearer water.

Whisper Medium (Junior) Bio-Bag Filter Cartridges

Authentic Whisper Bio-Bag replacement filter cartridges for the Whisper E, J, 10 , 5-10, Viquarium, MicroFilter, 10i, and Mini models. Also fits the Top Fin 10 and 15 filters sold exclusively by Petsmart.

Whisper Large (Regular) Bio-Bags

Fits the Whisper C, 1, 2, 3, 10-20, 20-40, 20, 30, 40, 60, 20i Internal, 40i Internal, Triad 1000, 2000 and 3000 filter models. Also fits the Top Fin 20, 30, 40, and 60 filters sold exclusively by Petsmart.

Whisper Extra Large Bio-Bag Refills

Fits the larger Whisper filters models 4 and 5. Each cartridge measures approximately 6-1/2" x 9". Available in single or multiple cartridge packages.

Whisper Carbon Filters - Large

Replacement ready-to-use carbon filter cartridges for the Whisper EX30, EX45, and EX70 filters.

Whisper Carbon Filters - Medium

Replacement ready-to-use carbon filter cartridges for the Whisper EX20 filter.

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