TETRA SALES
Tetra Whisper Assembled Bio-Bag Filter Cartridges, Small (2 pack)$4.99Color-coded packages for ease and accuracy in selection. Convenience of being pre-assembled. Filled with Ultra-Activated carbon, removing waste particles, odors, and discoloration. Please read all label information on delivery. | Tetra Whisper Assembled Bio-Bag Filter Cartridges, Large (1 pack)$3.29Conveniently Assembled and Ready-to-Use. Like the unassembled, the-Packages are color-coded, making it easier than ever to remember which size to purchase. Easy to Assemble, Easy to Replace. |