50000293-004 Post Filter Replacement Electronic Air Cleaner Filter F300 F50F Fits For Post Filters 20" X 12.5" (2 Pack)

["50000293 004 Post Filter: Replacement F300 and F50F electronic air cleaner filter, ensuring a perfect match for your post filter system. (Please note that they will not fit F50E models.)","20\" x 12.5\" Electronic Air Filter: electronic air cleaner filter have been proven to increase filtration efficiency by 10% at the smallest micron channel, ensuring cleaner air for you and your family. Upgrade your electronic air cleaner with washable and reusable 50000293 004 post filter.","Electronic Air Filter Sizes: This pack includes two post filter 20 x 12.5, that fit a 20 in x 25 in electronic air filter. new post filter utilizes residual charge on particulate, effectively trapping particles and ensuring optimal air circulation throughout your home.","Superior Quality: 20\" x 12.5\" electronic air cleaner filters crafted from high-quality materials, ensure strong and durable filtration, replacement air filter are designed to last up to 12 months, providing consistent and reliable air purification. Enabling efficient air circulation and optimal air purification throughout your home.","Easy Maintenance: The new upgrade furnaces electronic air filter 20\" x 12.5\" is gray, no longer blue/green. Keep your air cleaner filter at its best—simply vacuum these filters for cleaning, ensuring they remain in top condition for consistent high performance."]