Filter Hut 21x24x5 Rheem/Ruud (PD540014) style air filters are specifically engineered to replace the name brand Rheem/Ruud 21x24x5 air filters. Filter Hut filters are MERV graded to ASHRAE 52.2 test grades establishing that our air filters will operate as good or better than the original manufacturer part number (PD540014) air filter. These air filters can be selected with Odor Ban odor isolating carbon-inlayed technology. *Company names are used for filter substitution identification purposes only.
- 21 x 24.5 x 4. 5 nominal size.
- 20-3/4 x 24-1/4 x 4-3/8 actual size.
- Replaces Rheem/Ruud brand 21x24x5 part number: PD540014.
- Accumulair Envaero brand.
- Designed to replace the original manufacturer filter.
- Preassembled in frame for ease of installation. (No need for extra combs, end-caps, etc.)
MERV tested to ASHRAE classifications.
- Available in Odor Ban odor capturing carbon-inlayed properties.
- 2 air filters per case.