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You save $15.48
As of Oct 9, 2026, 13:42 UTC, Filter King 18x30x1 Air Filter MERV 8, AC Furnace Filters (6-Pack) | Dust & Allergy Control (Actual Size: 17.5 x 29.5 x .75) is $49.80 at Amazon, 24% below the $65.28 list price.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
This six-pack of 18x30x1 air filters is rated MERV 8 and is marketed for dust and allergy control in furnace and AC systems. The title gives an actual size of 17.5 x 29.5 x 0.75 inches, which suits homeowners who need replacement filters on a regular schedule.
Before buying, measure your filter slot and compare it with the actual size shown in the title, since nominal and actual sizes differ. Check that the filter is compatible with your unit's airflow direction and recommended rating. Confirm the current price and availability on Amazon, since the price shown here reflects our last recorded check and may have changed.
You save $10.00
as of 1:42 PM UTC
You save $4.00
as of 1:42 PM UTC
You save $4.00
as of 1:42 PM UTC
Pack: 3-pack · Color: Blue
You save $6.50
as of 1:42 PM UTC
