Atomic Compatible furnace filter replacement for TopTech DTT-FM-2020 20x20x4 furnace filters are designed for the TechPure TT-MAC-2122 & TT-MAC-2020 air cleaners. They are rated at MERV 11 and remove many allergens, dust, pollen and other airborne pollutants. Atomic is made in the USA. 3 pack of filters
- 3 filters
- Made in the USA
- MERV 11
- TopTech TechPure OEM Original Equipment Replacement Air Filter
- Fits TechPure TT-MAC-2122 & TT-MAC-2020 Air Cleaners
- Nominal Size 20x20x4
- Actual Size fits Toptech tt-fm-2020 19.375" x 19.375" x 3.75"