NO FRAMES ARE INCLUDED. YOUR EXISTING WHITE INSERT FRAMES MUST BE USED WITH THESE FILTERS. FILTER MEDIA DIMENSIONS: 8.3 INCH X 1.9 INCH X 0.2 INCH (21 X 4.7 X 0.5 CM). WHEN REPLACING, SIMPLY REMOVE THE OLD FILTER ELEMENT FROM THE FRAME AND INSERT THE NEW ONE. REPLACEMENT IS QUICK AND EASY. THE NEW FILTER ELEMENT IS THICKER THAN THE ORIGINAL, DESIGNED TO FIT SECURELY WITHIN THE EXISTING FRAME. 100% COMPATIBLE REPLACEMENT FOR MITSUBISHI ELECTRIC MAC-2330FT-E AND MAC-3000FT-E FILTERS. MAINTAINS FULL COMPATIBILITY—ONLY THE FILTER ELEMENT NEEDS TO BE REPLACED. INCREASED THICKNESS DUE TO ENHANCED DISSOLVING ENZYME LAYER ENSURES BETTER FIT AND PERFORMANCE. BLACK CARBON FILTER: UTILIZES CARBON ADHESION TECHNOLOGY TO HELP REMOVE AIR ODORS AND HARMFUL SUBSTANCES, SUPPORTING CLEANER AIR CONDITIONER INTERIORS. EXTENDED LIFE AND PERFORMANCE: FEATURES A BLUE FILTER AND ACTIVATED CARBON STICK FOR LONG-LASTING USE. THE BLUE FILTER INCORPORATES HIGH-TEMPERATURE OXIDATION IONS. DISSOLVING ENZYME IS BONDED TO THE FIBER LAYER TO PREVENT SHEDDING AND MAINTAIN EFFECTIVENESS OVER TIME. RECOMMENDED REPLACEMENT EVERY SIX MONTHS. THE CARBON FILTER USES HIGH-TEMPERATURE IONIC STICKY CARBON TECHNOLOGY, OFFERING SUPERIOR DEODORIZING PERFORMANCE AND LONGER SERVICE LIFE COMPARED TO TRADITIONAL FILTERS WITH LARGE PORES AND LOWER EFFICIENCY. INCLUDES 4 DISSOLVING ENZYME FILTERS AND 4 ACTIVATED CARBON FILTERS. FEATURES HIGH-DENSITY SEAMLESS BELT DISSOLVING ENZYME LAYER. BLUE FILTER COMBINES DISSOLVING ENZYMES WITH A PURE LAYER, PRODUCING OXIDATION IONS THAT SUPPORT AIR PURITY.