20x25x4 Furnace Filter Replacement for Lennox X6673 & Honeywell FC100A1037

About this item

• Perfect Fit: 20x25x4 air filter compatible with Honeywell FC100A1037 20x25x4 air filter, compatible with Lennox X6670 and more. Snug fit for optimal airflow and filtration with actual size: 19.94" x 24.88" x 4.38"
• MERV 13 & Pet Friendly: MERV 13 higher filtration can catch ultrafine particles, including poIIen, m0ld spores, B@CTERlA, pet d@nder, dvst and dvst mites. Good choice for the household with pets or high air quality requirement
• Tool-Free Installation: Please unfold the new MERV 13 air filter, align and splice the plastic panel slot with the filter frame. Simply remove the old FC100A1037 furnace filter 25x20x4, slide new filter in, lock, and breathe easier. No tools required
• Regularly Replace: It is recommended to replace the FC100A1037 air filter every 6-12 months for best performance and energy efficiency (according to usage frequency and air condition)
• Value Pack: There are 2 Packs of MERV 13 20 x 25 x 4 pet furnace filter in the package. Higher filtering performance and friendly price, this is a highly cost-effective transaction