Tetratec Pro-ii Dual Density Filter Cartridges

Each dual density cartridge provides increased mechanical and chemical filtration for clearer aquarium water. Coarse mesh panel removes medium to large particles. Fine mesh panel removes fine particles for crystal clear water. 100% more Ultra-activated carbon removes chemicals that cause odors and discoloration, as well as harmful chlorine. Patented cartridge design allows easy addition of extra media. Carbon may be removed completely when medicating fish. Included in this package are: 4 Dual density Pro-II mesh filter panels 4 Ultra-activated carbon packets 1 filter cartridge frameFor use in the following Tetra Power Filters: Tetratec Power Filter Models PF150 and PF300 Whisper Power Filters Models C, 1, 2, 3, and 20, 30, 40 and 60. ow to use Tetratec Pro-II CartridgesOL> Detach clip from cartridge frame and slide the dual stage filter over the frame. Add one packet of Ultra-activated carbon. More carbon or other media can be added to suit your needs. Press the cartridge frame flaps down over the top of the dual stage filter and press the clip down over the flaps. Rinse under cool tap water to remove carbon dust. Remove the primary cartridge(s) at the back of the Tetratec Power Filter and rotate the secondary cartridge(s) to the back (see illustration). Rotating the cartridges maintains an additional colony of beneficial bacteria and insures a constant supply of fresh carbon. Save the cartridge frame for use with future unassembled cartridges. Place the new cartridge(s) in t