NO FRAMES ARE INCLUDED. YOUR EXISTING WHITE INSERT FRAMES MUST BE INSTALLED WITH THESE FILTERS. Dimensions for filter media: 8.3 x 1.9 x 0.2 inches (21 x 4.7 x 0.5 cm). When replacing, remove only the old filter element from the frame and replace it with this new filter element. The replacement process is quick and easy. This upgraded filter element is thicker than the original, maintaining full compatibility with the existing frame. Guaranteed compatible replacement for Mitsubishi Electric MAC-2330FT-E and MAC-3000FT-E filters. The filter element can be replaced directly without modifying the frame. Increased thickness is due to an added dissolving enzyme layer, ensuring better fit and consistency with the frame size. Black carbon filter: Utilizes carbon adhesion technology to help remove indoor air odors and harmful substances. Blue filter: Features ions produced by high-temperature oxidation. Dissolving enzymes are bonded to the fiber layer and will not detach over time, preserving enzymatic activity and extending service life. Activated carbon stick enhances longevity and sustained deodorizing performance. Designed to outperform traditional filters with larger pores and reduced efficiency. Includes 4 lytic enzyme filters and 4 activated carbon filters. High-density seamless belt construction with dissolving enzyme layer. Blue filter composed of dissolving enzymes and a pure layer, with oxidation ions produced by...