- Filter pack
- Atomic Furnace Filter replacement for 266649-103 Trion Air Bear Supreme MERV 13 Upgrade
- Effectively removes mold, spores, pollen, and other airborne contaminants
- Nominal Size: 20" x 20" x 5"
- Actual Size:19 3/4" X 19-1/4" X 4 7/8"
- Whole house air filter- Skuttle Compatible 448-3 DB-20-20