About This Item

• Medium And Large Replacement Filter Cartridges For Filters Included With Zilla Deluxe Aquatic Turtle Kits. Also For Use With Basking Platform Filters And Aquatic Reptile Internal Filters.
• Installs In Seconds: Rinse First And Align Cartridge Bottom Key Slot For An Accurate Fit Inside The Filter
• Easy Installation Using The “Front” Orientation Tab
• For Optimal Performance, Change Approximately Every 4 Weeks
• For Zilla Internal Filter 40G And Large Basking Platform Filter 40G