Photo 1 of 6 Pack Aquarium Filter Cartridges - Compatible with Whisper Power Filters, Medium Bio-Bag Replacement for 10i, PF10, IQ10 - High-Efficiency Filtration, Easy to Install, Keeps Water Crystal Clear

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Photo 1 of 6 Pack Aquarium Filter Cartridges - Compatible with Whisper Power Filters, Medium Bio-Bag Replacement for 10i, PF10, IQ10 - High-Efficiency Filtration, Easy to Install, Keeps Water Crystal ClearPhoto 2 of 6 Pack Aquarium Filter Cartridges - Compatible with Whisper Power Filters, Medium Bio-Bag Replacement for 10i, PF10, IQ10 - High-Efficiency Filtration, Easy to Install, Keeps Water Crystal Clear