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 NEW VERSION IS THICKER, DESIGNED FOR UPGRADED PERFORMANCE WHILE MAINTAINING COMPATIBILITY. SIMPLY REPLACE THE FILTER ELEMENT INSIDE. 100% COMPATIBLE REPLACEMENT FOR MITSUBISHI ELECTRIC MAC-2330FT-E AND MAC-3000FT-E FILTERS. THE FILTER MAINTAINS FULL COMPATIBILITY AND ALLOWS DIRECT REPLACEMENT OF THE FILTER ELEMENT. ENHANCED ENZYME LAYER IMPROVES FILTRATION PERFORMANCE AND MATCHES THE SIZE OF THE FILTER ELEMENT FRAME. ACTIVATED CARBON FILTER: CARBON ADHESION TECHNOLOGY HELPS REMOVE AIR ODORS AND HARMFUL SUBSTANCES FROM INDOOR AIR CONDITIONING UNITS. THIS TECHNOLOGY SUPPORTS IMPROVED AIR QUALITY. EXTENDED SERVICE LIFE: BLUE FILTER COMBINED WITH ACTIVATED CARBON. THE BLUE FILTER FEATURES IONS PRODUCED THROUGH HIGH-TEMPERATURE OXIDATION. THE ENZYME IS SECURELY BONDED TO THE FIBER LAYER AND WILL NOT SHED OVER TIME, MAINTAINING LONG-LASTING PERFORMANCE. RECOMMENDED REPLACEMENT EVERY SIX MONTHS. THE CARBON TECHNOLOGY UTILIZES HIGH-TEMPERATURE IONIC ADHESION, PROVIDING SUPERIOR LIFESPAN AND SUSTAINED DEODORIZING CAPACITY. IMPROVES UPON TRADITIONAL FILTERS BY REDUCING LARGE PORES AND ENHANCING FILTRATION EFFICIENCY. SET INCLUDES: 4 ENZYME FILTERS AND 4 ACTIVATED CARBON FILTERS. HIGH-DENSITY, SEAMLESS DESIGN WITH ENZYME LAYER. BLUE FILTER COMPOSED OF ENZYMES AND A PURE LAYER, GENERATED THROUGH OXIDATION IONS.