Actual dimensions are 20.75 x 24.25 x 4.38. Brand: Accumulair. 21x24x4.5 Rheem PD540014 substitute whole house filters, exactly designed to replace original manufacturer Rheem PD540014 filters. Fully assembled so no assembly or combs required. MERV classified to ASHRAE classifications assuring operation equal to the OEM Rheem PD540014 air filters. Note: The example air filter image shown is not to scale and is shown for style purposes. Name brands and Rheem PD540014 part numbers are included for air filter substitution identification.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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