21x24x4.5 (20.75×24.25×4.38) MERV 11 Ruud® Replacement Filter
- Nominal size 21″ x 24″ x 4 1/2″ (Actual size 20 3/4 x 24 1/4 x 4 3/8)
- Fits Ruud® central heating systems
- Model RXHF-E24AM10
$55.13 Original price was: $55.13.$38.59Current price is: $38.59.

21x24x4.5 (20.75×24.25×4.38) MERV 11 Ruud® Replacement Filter
| Manufacturer | Accumulair® |
|---|---|
| Replaces Brand | Ruud® |
| MERV Rating | MERV 11 |
| Actual Size | 20.75 X 24.25 X 4.38 |
| Exact Width | 24 |
| Exact Width Fraction | 1/4" |
| Exact Length | 20 |
| Exact Length Fraction | 3/4" |
| Exact Thickness | 4 |
| Exact Thickness Fraction | 3/8" |
| Nominal Width | 4 |
| Nominal Width Fraction | 1/2" |
| Nominal Length | 21 |
| Nominal Length Fraction | 0" |
| Nominal Thickness | 24 |
| Nominal Thickness Fraction | 0" |
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