These 16x20x4 White-Rodgers (FR1000M-108) style air filters are specifically designed to replace the OEM White-Rodgers 16x20x4 filters. Filter Hut's filters are MERV classified to ASHRAE 52.2 test ratings establishing that our air filters will perform as good or better than the original manufacturer part number (FR1000M-108) filter. These filters also come in Odor Ban odor filtering carbon-inlayed media. *Brand names are listed for air filter style 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-108.
- Envaero brand by Accumulair.
- Designed to substitute for the original manufacturer filter.
- Preassembled in frame for ease of installation. (Non-expandable, no end caps needed, etc.)
MERV classified to ASHRAE ratings.
- Available in Odor Ban odor eliminating carbon-inlayed material.
- 2 air filters to a case.