Photo 1 of 10 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters, Medium Replacement Filter Cartridges for Aquariums Compatible with Tetra Whisper Filters 10i / IQ10 / PF10 and 20 Gallons ReptoFilter 10 Pack Medium

Double tap image to zoom

Photo 1 of 10 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters, Medium Replacement Filter Cartridges for Aquariums Compatible with Tetra Whisper Filters 10i / IQ10 / PF10 and 20 Gallons ReptoFilter 10 Pack MediumPhoto 2 of 10 Pack Filter Cartridge for Tetra Whisper Bio-Bag Filters, Medium Replacement Filter Cartridges for Aquariums Compatible with Tetra Whisper Filters 10i / IQ10 / PF10 and 20 Gallons ReptoFilter 10 Pack Medium