These 20x20x4 White-Rodgers (FR1600-100) replacement air filters are specifically built to substitue for the OEM White-Rodgers 20x20x4 air filters. Our filters are MERV rated to ASHRAE 52.2 test standards establishing that our filters will capture particulate as good or better than the name brand part number (FR1600-100) filter. These air filters can be selected with Odor Ban odor filtrating carbon-infused material. *Name brands are listed for filter substitution identification purposes only.
- 20 x 20 x 4 nominal size.
- 19-1/2 x 19-1/2 x 3-3/4 actual size.
- Replaces White-Rodgers brand 20x20x4 part number: FR1600-100.
- Quality Filters Envaero brand.
- Designed to substitute for the original manufacturer filter.
- Filters framed and preassembled for ease of intallation. (No end caps needed, don't need expanded with combs, etc.)
MERV graded to ASHRAE grades.
- Available with Odor Ban odor isolating carbon-infused material.
- 2 filters per case.