Deep-discount warehouse clearance on HVAC filters. Overstock, end-of-run SKUs, slightly-imperfect packaging, and quantities we need to move. Every warehouse-deal filter ships from the same warehouse as our regular stock and carries the s...

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  • 12x24x4 PREpleat LPD SC M8 Filters 80055.041224 (6 Filters)
    MERV 8Up to $32.59 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 12x24x4 PREpleat LPD MERV 8 Standard Capacity

    $76.40
    $76.40 $108.99
    Case of 6 $12.73/filter
  • 12x25x1 Koch Disposable Polyester Panel 284-120-250 (12 Filters)
    MERV 1-4Up to $14.11 off
    Koch

    WAREHOUSE DEAL 12x25x1 Disposable Polyester Panel Filter

    Only 1 left
    $59.88
    $59.88 $73.99
    Case of 12 $4.99/filter
  • 12x25x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $20.86 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 12x25x1 NaturalAire Standard MERV 8

    $39.99
    $39.99 $60.85
    Case of 5 $8.00/filter
  • WAREHOUSE DEAL 14-3/4x23-1/2x1 Exact Filters Pleated MERV 10 (12 pack)
    MERV 10Up to $66.06 off
    Exact Filters

    WAREHOUSE DEAL 14-3/4x23-1/2x1 Pleated MERV 10

    Only 1 left
    $128.93
    $128.93 $194.99
    Case of 12 $10.74/filter
  • WAREHOUSE DEAL 14x14x1 AAF Flanders PREpleat LPD MERV 10 Standard Capacity (12 Filters)
    MERV 10Up to $19.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x14x1 PREpleat LPD MERV 10 Standard Capacity

    $84.88
    $84.88 $103.99
    Case of 12 $7.07/filter
  • PerfectPleat HC M8 Filter
    Up to $20.07 off
    AAF Flanders

    WAREHOUSE DEAL 14x20x1 PerfectPleat MERV 8 High Capacity

    Only 1 left
    $69.92
    $69.92 $89.99
    Case of 12 $5.83/filter
  • WAREHOUSE DEAL 14x20x1 AAF Flanders PREpleat LPD MERV 10 High Capacity 80255.011420 (12 Filters)
    MERV 10Up to $28.11 off
    AAF Flanders

    WAREHOUSE DEAL 14x20x1 PREpleat LPD MERV 10 High Capacity

    Only 1 left
    $84.88
    $84.88 $112.99
    Case of 12 $7.07/filter
  • 14x20x1 PREpleat LPD SC M8 80055.011420 (12 Filters)
    MERV 8Up to $20.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x20x1 PREpleat LPD MERV 8 Standard Capacity

    $84.88
    $84.88 $104.99
    Case of 12 $7.07/filter
  • WAREHOUSE DEAL 14x20x1 AAF Flanders PREpleat M11 MERV 11 Standard Capacity (12 Filters)
    MERV 11Up to $37.11 off
    AAF Flanders

    WAREHOUSE DEAL 14x20x1 PREpleat M11 MERV 11 Standard Capacity

    Only 1 left
    $102.88
    $102.88 $139.99
    Case of 12 $8.57/filter
  • 14x22x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $47.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x22x1 NaturalAire Standard MERV 8

    $105.88
    $105.88 $152.99
    Case of 12 $8.82/filter
  • WAREHOUSE DEAL 14x24x1 AAF Flanders PREpleat LPD MERV 10 High Capacity (12 Filters)
    MERV 10Up to $28.11 off
    AAF Flanders

    WAREHOUSE DEAL 14x24x1 PREpleat LPD MERV 10 High Capacity

    Only 1 left
    $89.88
    $89.88 $117.99
    Case of 12 $7.49/filter
  • 14x24x1 NaturalAire Standard MERV 8 Filters (12 pack)
    MERV 8Up to $17.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x24x1 NaturalAire Standard MERV 8

    $79.88
    $79.88 $96.99
    Case of 12 $6.66/filter
  • Flanders AAF Basic Filter 14x25x1 EZ Flow II Filters 10055.011425 (12 Filters)
    MERV 1-4Up to $11.99 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter

    $50.00
    $50.00 $61.99
    Case of 12 $4.17/filter
  • 14x30x1 Koch Multi-Pleat XL8 Standard Capacity MERV 8 102-041-039 (12 Filters)
    MERV 8Up to $28.11 off
    Koch

    WAREHOUSE DEAL 14x30x1 Multi-Pleat XL8 MERV 8 Standard Capacity

    Only 2 left
    $87.88
    $87.88 $115.99
    Case of 12 $7.32/filter
  • 14x30x2 PREPleat LPD
    MERV 8Up to $51.11 offContact Support
    AAF Flanders

    WAREHOUSE DEAL 14x30x2 PREpleat LPD MERV 8 Standard Capacity

    $114.88
    $114.88 $165.99
    Case of 12 $9.57/filter
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HVAC Filter Warehouse Deals

Deep-discount warehouse clearance on HVAC filters. Overstock, end-of-run SKUs, slightly-imperfect packaging, and quantities we need to move. Every warehouse-deal filter ships from the same warehouse as our regular stock and carries the same Filter Fit Guarantee—the only difference is the price and the fact that these aren't going to restock when they sell out.

How Warehouse Deals Work

  • Limited quantities — once a size is gone, we typically don't reorder at this price
  • Same filters, same quality — full product line, no seconds or damaged goods
  • Free shipping still applies on orders over $50
  • No subscription on deeply discounted SKUs — these are one-time purchases only

Check back periodically—the collection rotates as we close out old SKUs and bring in new inventory.