Description
Actual Size: 19.13 x 19.88 x 4.25. Accumulair brand, 19x20x4.25 Totaline FILBBFNC0021 replacement whole house air filters, specifically designed to replace original brand Totaline FILBBFNC0021 air filters. Fully constructed with no forming or combs needed. MERV classified to ASHRAE 52.2 test standards ensuring particulate filtration equal to the name brand Totaline FILBBFNC0021 filter. Note: Sample air filter image displayed is not true to size and is there to show style only. Trade names and Totaline FILBBFNC0021 identifier included for filter substitution identification purposes.