NO FRAMES ARE INCLUDED. YOUR EXISTING WHITE INSERT FRAMES MUST BE INSTALLED WITH THESE FILTERS. DIMENSIONS FOR FILTER MEDIA: 8.3 INCH X 1.9 INCH X 0.2 INCH (21 X 4.7 X 0.5 CM). WHEN REPLACING, YOU ONLY NEED TO REMOVE THE FILTER ELEMENT IN THE OLD FRAME AND REPLACE IT WITH THE NEW FILTER ELEMENT. REPLACEMENT PROCESS IS QUICK AND EASY. THE OLD FILTER ELEMENT IS RELATIVELY THIN; OUR VERSION IS THICKER, DESIGNED FOR UPGRADED PERFORMANCE WHILE MAINTAINING COMPATIBILITY. SIMPLY REPLACE THE FILTER ELEMENT INSIDE. GUARANTEED COMPATIBLE REPLACEMENT FOR MITSUBISHI ELECTRIC MAC-2330FT-E AND MAC-3000FT-E FILTERS. THE UPGRADED FILTER MAINTAINS FULL COMPATIBILITY AND ALLOWS DIRECT REPLACEMENT OF THE FILTER ELEMENT. INCREASED DISSOLVING ENZYME LAYER ENHANCES FILTRATION PERFORMANCE AND BETTER MATCHES THE SIZE OF THE FILTER ELEMENT FRAME. BLACK CARBON FILTER: UTILIZES CARBON ADHESION TECHNOLOGY TO HELP REMOVE AIR ODORS AND HARMFUL SUBSTANCES FROM INDOOR AIR CONDITIONING UNITS. THIS TECHNOLOGY SUPPORTS EFFECTIVE AIR FILTRATION AND HELPS MAINTAIN CLEANER AIR CONDITIONS. EXTRA LONG LIFE: BLUE FILTER COMBINED WITH ACTIVATED CARBON STICK DESIGN FOR EXTENDED SERVICE LIFE. THE BLUE FILTER IS PRODUCED THROUGH HIGH-TEMPERATURE OXIDATION. THE DISSOLVING ENZYME IS BONDED TO THE FIBER LAYER TO PREVENT SHEDDING, PROVIDING LONG-LASTING PERFORMANCE AND SUSTAINED DISSOLVING CAPABILITY. RECOMMENDED REPLACEMENT EVERY SIX MONTHS. THE STICKY CARBON TECHNOLOGY UTILIZES HIGH-TEMPERATURE IONIC ADHESION, OFFERING LONG-LASTING DEODORIZING EFFECT AND IMPROVED FILTRATION EFFICIENCY. DESIGNED TO OVERCOME THE LIMITATIONS OF TRADITIONAL FILTERS WITH LARGE PORES AND REDUCED PERFORMANCE. INCLUDES 4 DISSOLVING 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, PRODUCED BY OXIDATION IONS.