Key features

• •Perfect Fit：Aquarium filters are perfectly compatible with Tetra Whisper bio-bag filter cartridges large 20i, 40i; IQ 20, 30, 45, 60; PF20, 30, 40, 60. Fish tank filters are 6.7 inch long and 4.5 inch wide. All fish filters for aquariums are individually packaged and sealed to maintain high quality
• •Clearer Water: Dual-sided mesh designed for catching debris and fish waste, removing odors and discoloration, effectively maintaining PH balance in water and keeping aquarium water clear. With a remarkably high filtration capacity, our aquarium filter cartridge protect both the fish tank power filter and your fish
• •FINE MESH & THICKENED DESIGN: Our aquarium media bag with 7.8 inch x 5.9 inch size, is great to work with activated carbon, ceramic rings, filter stones, biospheres or any other aquarium filter media. Thickened design for longer lasting durability
• •STRONG PERMEABLITY: Our full mesh filter bag could create a good living environment for your aquatic life effectively. Filteration bag is perfect for your freshwater, saltwater. With purigen bag for fish tank, you can choose the filter media well
• •Premium Material: Fit for tetra filter comes fully assembled and ready to use. No need to install. Dual-sided mesh catches debris and fish waste. Activated carbon absorb heavy metals from water and improve the taste of water. The non-woven fabric of compatible with tetra filter cartridges captures impurities