ITEM NAME:Replacement Filters True HEPA and Activated Carbon Filter Kits for Air Puri F1L7 Replacement Filters True HEPA and Activated Carbon Filter Kits for Air Puri F1L7 for air purifier accessories LV-PUR131 Replacing the Air Filter To replace the air filter in the LV-PUR131 Air Purifier, follow these steps: 1. Turn off the air purifier, unplug the air purifier and remove the back cover 2. Remove the old air filter and dispose of it properly 3. Open a new air filter. First put the activated carbon filter into the housing, making sure the tab is facing the opening. 4. Install the True HEPA filter into the housing; make sure the tab is facing the opening. 5. Replace the back cover to the housing 6. Plug in and turn on the air purifier. Colour:Black + white Material:composite material Package Contents: 2 * HEPA filter 2 * activated carbon filter