TopTech 16x20x4 TT-FM-1620 Air Filter #airfilter #doityourself

No Assembly Required
MERV 11
TopTech TechPure OEM Original Equipment Replacement Air Filter
Fits TechPure TT-MAC-1722 Air Cleaner
Assembled Size 15.375" x 19.375" x 3.75"

TopTech 16x20x4 TT-FM-1620QB QwikBox(R) Air Filter ships flat and does require assembly.
TopTech TT-FM-1620 16x20x4 furnace filters are designed for the TechPure TT-MAC-1722 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.