This 20x20x4 White-Rodgers (FR1600-100) compatible air filters are specifically built to replace the OEM White-Rodgers 20x20x4 air filters. Filter Hut filters are MERV classified to ASHRAE 52.2 test grades ensuring that our filters will perform as good or better than the original brand part number (FR1600-100) air filters. Our air filters also come in Odor Ban odor eliminating carbon-inlayed technology. *Name brands are used for air 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.
- Envaero brand by Quality Filters.
- Specifically designed to replace the name brand filter.
- Filters framed and preassembled for ease of intallation. (No need for extra combs, end-caps, etc.)
MERV graded to ASHRAE grades.
- Option of Odor Ban odor capturing carbon-infused material.
- 2 filters per case.