Actual size is 15.63 x 24.13 x 4.88. Accumulair brand: 16x25x5 GeneralAire MAC1400 Mighty-MAC substitute whole house filters, specifically engineered to substitute for the OEM GeneralAire MAC1400 Mighty-MAC air filters. Fully built - no assembly or combs needed. MERV classified to ASHRAE standards establishing performance equal to the OEM GeneralAire MAC1400 Mighty-MAC filters. Photo: The sample filter picture as displayed is not the actual dimensions and is displayed for style only. OEM names and GeneralAire MAC1400 Mighty-MAC identifier are shown for air filter substitution identification purposes 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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