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
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.