Our 16x20x4 White-Rodgers (FR1000M-111) compatible air filters are specifically engineered to substitue for the name brand White-Rodgers 16x20x4 air filters. These filters are MERV classified to ASHRAE 52.2 test grades establishing that our filters will capture particulate as good or better than the original manufacturer part number (FR1000M-111) filters. These filters can be selected with Odor Ban odor reducing carbon technology. *Brand names are listed for air filter replacement identification purposes only.
- 16 x 20 x 4 nominal size.
- 15-1/2 x 19-1/2 x 3-3/4 actual size.
- Replaces White-Rodgers brand 16x20x4 part number: FR1000M-111.
- Envaero brand by Quality Filters.
- Engineered to replace the OEM filter.
- Preassembled in frame for ease of installation. (Non-expandable, no end caps needed, etc.)
MERV tested to ASHRAE standards.
- Option of Odor Ban odor filtering carbon-infused properties.
- 2 air filters to a case.