Description
Actual Size: 19.5 x 19.5 x 3.75. Accumulair brand 20x20x4 White-Rodgers FR1600-100 compatible whole house air filters, specifically built to replace the original brand White-Rodgers FR1600-100 air filters. Fully constructed so no forming or combs needed. MERV classified to ASHRAE 52.2 test specifications establishing particle capture as good or better than the original manufacturer White-Rodgers FR1600-100 air filter. Note: Sample filter pic shown is not true to size and is included to show configuration only. Name brands and White-Rodgers FR1600-100 identifier displayed for filter style identification.