Maintain healthy pH levels in your tank with Tetra BIO-Bag Aquarium Filter Cartridge. This filter features duel-sided floss that removes dirt and debris from your aquarium to keep it clean for your underwater buddies. It provides four stages of filtration with ultra-activated carbon that removes odors and yellow discoloration. Compatible with BIO-Bag filters, Tetra BIO-Bag Aquarium Filter Cartridge will keep your tank looking and smelling good.
Filter helps maintain healthy pH levels in your aquarium.
Removes dirt and debris with duel-sided floss.
Provides four stages of filtration with ultra-activated carbon.
Removes odors and yellow discoloration from your tank.
I have 2 systems that use this filter, it's pricey because of the little tablet you put in the middle, "Stay Clean Technology" my butt, not only do you have to assemble it but it is no different then the bio filter w/o it. It It should be cheaper since we have to assemble it, like anything else we by. Save your money and buy the bulk pack w/o stay clean technology, it works the same, tablet is just a buffer which you already have in some chemicals you add or Aquarium Salt, pillow softeners are cheaper and work great and last longer.