Actual Size: 11.75 x 23.75 x 4.38. Our (Accumulair brand) 12x24 Honeywell FC40R1037 compatible return air grille filter is specifically built to substitute for the OEM FC40R1037 return air filter specification. Preassembled; no assembly required. Notice: Example filter picture shown is not to scale and is shown for lip style purposes only. *Name brands and FC40R1037 part number are listed for filter style identification. Catalog and FC40R1037 variations last updated on 03/22/2020.
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.