Tetra Whisper Bio-Bag with Stay Clean, Large Filter Cartridges for Aquariums, 12 Count, Unassembled, Fits Tetra Whisper Fish Tank Filters 10-30 Gal, 20-40 Gal, PF-20, 30, 40, 60, IQ 20, 30, 45, 60

For 50 years, fishkeeping enthusiasts have looked to the Tetra name for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need–from a large variety of quality fish food and innovative equipment to test kits and decor. Tetra is a name you can trust in the aquatics industry. Tetra StayClean Bio-Bag Cartridges provide easier maintenance for healthier fish by maintaining healthy pH levels in your tank. Stable water helps prevent pH crashes, and the active cleaning reduces buildup on glass. The dual sided floss removes dirt and debris from your tank leaving you with a clean environment. Compatible with Bio-Bag filters, these cartridges provide 4 stages of filtration to keep your water clean and clear. Ultra-Activated carbon will remove odors and yellow discoloration to keep your aquarium looking better than ever. Create a focal point for any room with a clean, clear aquarium.

• 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.