Actual Dimensions: 20.75 x 24.25 x 4.38. Accumulair brand 21x24x4.5 Rheem Protech 540014 style whole house filters, specifically built to substitute for the original brand Rheem Protech 540014 filters. Completely box-formed so no forming or combs needed. MERV rated to ASHRAE specifications assuring performance to the level of the name brand Rheem Protech 540014 filters. Photo: The sample filter pic as shown is not true to size and is shown for design purposes only. Trade names and Rheem Protech 540014 identifier displayed for filter replacement identification purposes.
Shipping and Returns
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 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.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.