21x21x4.5 Ruud PD540012 Air Filter


Quantity of Filters per Case: 2
Efficiency Rating: MERV 8
Price:
Sale price$ 80.90

Description

Actual size is 20.75 x 20.75 x 4.38. Accumulair brand 21x21x4.5 Ruud PD540012 style whole house filters, specifically designed to replace the OEM Ruud PD540012 air filters. Fully assembled so no forming or combs needed. MERV classified to ASHRAE 52.2 test specifications establishing function equal to the name brand Ruud PD540012 air filters. Photo: The example filter picture shown is not true to size and is shown for construction purposes. Name brands and Ruud PD540012 P/N are listed for air filter style identification use.

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