Actual size is 20.75 x 24.25 x 4.38. Accumulair brand 21x24x4.5 Ruud PD540014 compatible whole house filters, exactly built to replace OEM Ruud PD540014 air filters. Fully assembled so no forming or combs required. MERV classified to ASHRAE 52.2 test standards establishing performance equal to the original manufacturer Ruud PD540014 air filter. Note: Example air filter pic as displayed is not the actual dimensions and is included to show configuration only. OEM names and Ruud PD540014 part numbers included for air filter replacement purposes.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
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