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 NEW FILTER ELEMENT IS THICKER THAN THE , ENSURING IMPROVED FIT AND PERFORMANCE WHILE MAINTAINING FULL COMPATIBILITY. 100% GUARANTEED COMPATIBLE REPLACEMENT FOR MITSUBISHI ELECTRIC MAC-2330FT-E AND MAC-3000FT-E FILTERS. THE UPGRADED FILTER MAINTAINS COMPATIBILITY AND ALLOWS DIRECT REPLACEMENT OF THE FILTER ELEMENT. INCREASED THICKNESS DUE TO ENHANCED DISSOLVING ENZYME LAYER PROVIDES BETTER FIT AND AIR FILTRATION PERFORMANCE. BLACK CARBON FILTER: UTILIZES CARBON ADHESION TECHNOLOGY TO HELP CAPTURE AIRBORNE ODORS AND HARMFUL SUBSTANCES, ASSISTING IN MAINTAINING CLEAN INDOOR AIR QUALITY. THIS TECHNOLOGY SUPPORTS EFFECTIVE AIR FILTRATION WITHIN THE UNIT. LONG-LASTING PERFORMANCE: BLUE IONIZED FILTER FIBERS PRODUCED THROUGH HIGH-TEMPERATURE OXIDATION. DISSOLVING ENZYME IS BONDED TO THE FIBER LAYER TO HELP PREVENT SHEDDING AND MAINTAIN LONG-TERM EFFICIENCY. DESIGNED FOR DURABLE USE. RECOMMENDED TO REPLACE EVERY SIX MONTHS. HIGH-TEMPERATURE IONIC STICKY CARBON TECHNOLOGY HELPS MAINTAIN DEODORIZING AND FILTRATION PERFORMANCE OVER TIME, IMPROVING UPON TRADITIONAL FILTERS WITH LARGER PORES AND LOWER EFFICIENCY. PACKAGE INCLUDES: 4 LYTIC ENZYME FILTERS AND 4 ACTIVATED CARBON FILTERS. FEATURES A HIGH-DENSITY SEAMLESS BELT DESIGN WITH DISSOLVING ENZYME LAYER.