Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Large Filter with Stay Clean Technology, Removes Odors and Discoloration, Easy to Assemble, 12 Large Blue Filters

Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Large Filter with Stay Clean Technology, Removes Odors and Discoloration, Easy to Assemble, 12 Large Blue Filters

• STAYCLEAN TECHNOLOGY: Active cleaning reduces buildup on glass and the water clarifier binds small dirt particles which are easier to filter.
• MAINTAINS HEALTHY PH LEVELS: Keeping stable water helps prevent pH crashes in your aquarium, providing you with easier maintenance.
• TIME RELEASE TECHNOLOGY: Time release technology precisely adds healthy buffers and water clarifiers that help maintain pH and reduce unsightly debris.
• ULTRA-ACTIVATED CARBON: Ultra-Activated carbon will remove odors and yellow discoloration to keep your aquarium looking better than ever.
• COMPATIBLE WITH BIO-BAG FILTERS: Our StayClean technology is still compatible with any filter that currently takes Bio-Bag filters today. This pack contains 12 large, unassembled cartridge.