Actual size is 15.38 x 26.98 x 6. Accumulair brand 16x28x6 Aprilaire 401 compatible whole house air filters, specifically designed to substitute for the name brand Aprilaire 401 air filters. Fully assembled with no assembly or combs required. MERV rated to ASHRAE 52.2 test grades assuring particle capture as good or better than the original brand Aprilaire 401 air filter. Note: The sample air filter picture as shown is not true to size and is included to show configuration purposes. OEM names and Aprilaire 401 identifier displayed for air filter style identification only.
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.
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