Actual size is 21.25 x 27.25 x 4.38. Brand: Accumulair. 21.5x27.5x5 Honeywell FC100A1045 substitute whole house air filters, specifically engineered to substitute for the original manufacturer Honeywell FC100A1045 air filters. Completely box-formed so no assembly or combs required. MERV graded to ASHRAE 52.2 test grades establishing operation to the level of the OEM Honeywell FC100A1045 filter. Notice: Sample filter pic as shown is not to scale and is there to show construction only. OEM names and Honeywell FC100A1045 P/N shown for filter style purposes only.
Shipping and Returns
- Our current lead times noted at the top of the page are due to backlogs, supply chain issues, and staffing shortages. We apologize for the inconvenience.
- 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.