Actual size is 17.25 x 20.75 x 4.38. Brand: Accumulair. 17.5x21x4.5 Rheem PD540010 replacement whole house air filters, exactly engineered to replace the original manufacturer Rheem PD540010 filters. Fully built so no assembly or combs required. MERV classified to ASHRAE ratings establishing operation equal to the name brand Rheem PD540010 filter. Photo: Sample air filter pic as displayed is not to scale and is there to show configuration purposes. OEM names and Rheem PD540010 identifier displayed for filter replacement identification purposes only.
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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