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21x24x4.5 Rheem Protech 540020 Air Filter
$43.33
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Actual Dimensions: 20.75 x 24.25 x 4.38. Brand: Accumulair. 21x24x4.5 Rheem Protech 540020 style whole house filters, specifically constructed to substitute for the name brand Rheem Protech 540020 air filters. Completely constructed – no forming or combs required. MERV graded to ASHRAE specifications establishing operation equal to the name brand Rheem Protech 540020 air filters. Photo: The sample filter image displayed is not true to size and is shown for design purposes only. OEM names and Rheem Protech 540020 P/N included for filter substitution identification use.
| Quantity of Filters per Case | 2 |
|---|---|
| Efficiency Rating | MERV 8, MERV 11, MERV 13, Carbon MERV 8 |
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