Top Tech TT-FM-2020 20x20x4 furnace filters are designed for the Tech Pure 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 Qwik
Box(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 Qwik
Box(R) Collapsed Design That Is Easy To Assemble Prior to Installation
MERV 11
Top Tech Pure OEM Original Equipment Replacement Air Filter
Fits Tech Pure TT-MAC-2122 & TT-MAC-2020 Air Cleaners
Actual Size 19.375inch x 19.375inch x 3.75inch