Actual Dimensions: 15.5 x 19.5 x 3.75. Accumulair brand 16x20x4 16x20x4 Top Tech substitute whole house filters, exactly designed to replace name brand 16x20x4 Top Tech air filters. Fully built with no forming or combs required. MERV graded to ASHRAE specs establishing operation equal to the name brand 16x20x4 Top Tech air filters. Photo: Example filter image as displayed is not true to size and is included to show design purposes. OEM names and 16x20x4 Top Tech identifier shown for filter substitution identification purposes only.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 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
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