Actual size is 19.5 x 19.5 x .75. Brand: Accumulair. 20x20x1 Day and Night P102-550 substitute whole house filters, exactly constructed to substitute for the original brand Day and Night P102-550 air filters. Fully assembled with no assembly or combs required. MERV classified to ASHRAE 52.2 test standards assuring particulate filtration as good or better than the name brand Day and Night P102-550 air filter. Photo: Example air filter picture as shown is not to scale and is there to show style purposes only. Company names and Day and Night P102-550 P/N shown for air filter substitution purposes only.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 days for stocked standard filters, up to 3 weeks for non-standard and 0.5" filters, and up to 8 weeks for bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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