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TopTech TechPure TT-FM-2020QB OEM 20x20x4 Replacement Furnace Filter - QwikBox(R)

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TopTech TT-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. The new QwikBox(R) collapsed design provides for less chance of shipping damage and takes up less space so it is more convenient to keep spare filters on hand. Assembly required.

  • New QwikBox(R) Collapsed Design That Is Easy To Assemble Prior to Installation
  • MERV 11
  • TopTech TechPure OEM Original Equipment Replacement Air Filter
  • Fits TechPure TT-MAC-2122 & TT-MAC-2020 Air Cleaners
  • Actual Size 19.375" x 19.375" x 3.75"

Free Shipping Next Business Day

Customer Reviews

Based on 29 reviews
Lance Taylor
Great service and prices

Quick and easy process that is much cheaper than the stores!

Rogers M.
A filter that filters

I'll know more about this filter after 30-45 days on the job. Once I inspect it, then I'll know if it can handle the job. I did not like the fact that there are no assembly instructions printed on filter. I had to go to Youtube.

Norma Jean
Easy to order

Quick delivery. Product was the right filter that we needed. Will order again.

Steven Arleth
A/C filters

Very efficient service at a good price will definitely order again


Delivered fast with best priced, including better price than Amazon!