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13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6

13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6

4.9(105 ratings)

Best price now

$45.12at AmazonChecked 9 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Lowest price today: $45.12 at Amazon (checked Nov 15, 2026).
  • Checked at 2 stores.
  • Our take on the 13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6

    A case of six pleated HVAC filters rated MERV 8, aimed at catching pollen, dust and pet dander while keeping airflow easy on the blower. The 14 pleats per linear foot give more media surface than basic grocery-store fiberglass panels, which are only around MERV 1 or 2. Owners rate it highly and mostly mention clean air and fewer allergy symptoms. It suits anyone with a standard 1-inch filter slot who wants better filtration without the airflow restriction of a high-MERV filter.

    Best forHomes with a 1-inch filter slotAllergy and pet-dander householdsBuying filters in bulk for a year of changesRentals and second homes that need spares on hand
    Pros
    • MERV 8 captures pollen, dust and pet dander
    • 14 pleats per linear foot add surface area
    • Electrostatic media helps hold particles
    • Pleated design holds shape better than fiberglass panels
    • Case of six covers a full year of monthly changes
    Cons
    • Not for households needing MERV 11 or higher filtration
    • Only fits a 1-inch slot, not thicker media cabinets
    • No printed change reminder on the filter

    13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6 prices at every store

    • Atomic FiltersNew

      In stockReturn policy

      $62.95Checked Nov 7
      Visit Atomic Filters
    • AmazonNew

      Availability unknown

      As an Amazon Associate, Deal.ai earns from qualifying purchases.

      $45.12Free shippingChecked 9 h ago
      Visit Amazon

    Store links may earn us a commission.

    13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6 price history

    Lowest price we've seen: $45.12 on Nov 15 at Amazon. Tracked across 1 store since Nov 15.

    What reviewers say

    • 4.9 / 5105 ratings

    Buyers rate it very highly and describe cleaner air and less dust since switching. Several say it fits their slot as expected and holds up over a full change cycle.

    What people mention
    • FiltrationPraisedBuyers say it cuts visible dust and helps with seasonal allergies.
    • FitPraisedOwners report it drops into standard 1-inch filter slots without trimming.
    • BuildPraisedThe pleats stay rigid and don't sag over a change cycle.
    • AirflowMixedMost find airflow fine, but a few with older systems notice a slight drop.

    About the 13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6

    This is a case of 6 pleated MERV 8 filters for furnaces, air conditioners and other HVAC systems. The filter media is 100% mechanical synthetic, made of spun micro-fiber and electrostatically charged. It does not retain moisture, which can lead to microbial growth.

    The filters reduce pollen, dust, pet dander and other fibers in the air at home. Each filter has 14 pleats per linear foot. The pleats add surface area to catch airborne particles and reduce airflow drag, so the system can run more efficiently.

    MERV stands for Minimum Efficiency Reporting Value. A higher rating means a more efficient filter. The filters should be changed every 1 to 3 months.

    Nominal size
    13 x 21.5 x 1 in
    Actual size
    13 x 21.5 x 0.75 in
    MERV rating
    MERV 8
    Type
    Pleated
    Media
    100% mechanical synthetic, spun micro-fiber, electrostatically charged
    Pleats
    14 per linear foot
    Pack size
    Case of 6 filters
    Replacement
    Every 1 to 3 months

    Questions and answers

    What does MERV 8 filter out?
    It captures pollen, dust, pet dander and other fibers. It is a step up from the MERV 1 or 2 fiberglass panels sold in grocery stores.
    Will this fit my furnace?
    It fits slots that take a 1-inch-thick filter of this face size. Measure the slot before ordering, since a thicker cabinet filter won't work.
    How often should I change it?
    Every one to three months is typical, sooner with pets or heavy dust. A case of six covers about half a year to a full year.
    Is MERV 8 enough for allergies?
    It helps with pollen and dust, but households with serious allergies often move to MERV 11 or higher if their system allows it.
    Does a higher MERV restrict airflow?
    Higher ratings can, especially in older systems. MERV 8 is a middle ground that filters better than fiberglass without heavy drag.
    Where is the 13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6 cheapest?
    At Amazon, for $45.12, as of our latest check.
    What do buyers say about the 13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6?
    Rated 4.9 out of 5 from 105 ratings.
    Where can I buy the 13x21.5x1 Merv 8 Pleated AC Furnace Filter - Case of 6?
    2 stores we checked sell it, including Amazon, Atomic Filters.

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